Finding the Fourth Proportional to 699,413.76, 965,589.12 and 461,640.96
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Solution
The fourth proportional to 699,413.76, 965,589.12 and 461,640.96 is: 637,327.31
Step by Step Solution
- Step 1: Write the proportion equation
699,413.76 : 965,589.12 = 461,640.96 : x - Step 2: Convert to fraction form
699,413.76/965,589.12 = 461,640.96/x - Step 3: Cross multiply
699,413.76x = 965,589.12 × 461,640.96 - Step 4: Simplify right side
699,413.76x = 445,755,488,322.36 - Step 5: Solve for x
x = 445,755,488,322.36/699,413.76 - Step 6: Final answer
x = 637,327.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.