The amount of time spent on a task is directly proportional to the complexity of the task.

The proportion of students who passed the exam is quite high.

You'll have to proportion your expenditure to your income.

The amount of time spent on a task should be in proportion to its importance.

Proportional representation is a voting system in which the number of seats a party wins is determined by its share of the total votes.

The amount of time spent studying is directly proportional to the grades achieved.

The speed of a car is inversely proportional to the time it takes to travel a certain distance.

The media often blow minor incidents out of proportion .

Proportionality is important in design to achieve balance.