Finding the Fourth Proportional to 821,515.62, 1,232,413.56 and 366,272.04
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Solution
The fourth proportional to 821,515.62, 1,232,413.56 and 366,272.04 is: 549,470.54
Step by Step Solution
- Step 1: Write the proportion equation
821,515.62 : 1,232,413.56 = 366,272.04 : x - Step 2: Convert to fraction form
821,515.62/1,232,413.56 = 366,272.04/x - Step 3: Cross multiply
821,515.62x = 1,232,413.56 × 366,272.04 - Step 4: Simplify right side
821,515.62x = 451,398,628,744.86 - Step 5: Solve for x
x = 451,398,628,744.86/821,515.62 - Step 6: Final answer
x = 549,470.54
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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.