Finding the Fourth Proportional to 746,413.67, 1,119,403.60 and 290,903.53
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Solution
The fourth proportional to 746,413.67, 1,119,403.60 and 290,903.53 is: 436,270.75
Step by Step Solution
- Step 1: Write the proportion equation
746,413.67 : 1,119,403.60 = 290,903.53 : x - Step 2: Convert to fraction form
746,413.67/1,119,403.60 = 290,903.53/x - Step 3: Cross multiply
746,413.67x = 1,119,403.60 × 290,903.53 - Step 4: Simplify right side
746,413.67x = 325,638,451,683.17 - Step 5: Solve for x
x = 325,638,451,683.17/746,413.67 - Step 6: Final answer
x = 436,270.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.