Finding the Fourth Proportional to 708,149.87, 1,062,753.78 and 408,230.15
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Solution
The fourth proportional to 708,149.87, 1,062,753.78 and 408,230.15 is: 612,650.17
Step by Step Solution
- Step 1: Write the proportion equation
708,149.87 : 1,062,753.78 = 408,230.15 : x - Step 2: Convert to fraction form
708,149.87/1,062,753.78 = 408,230.15/x - Step 3: Cross multiply
708,149.87x = 1,062,753.78 × 408,230.15 - Step 4: Simplify right side
708,149.87x = 433,848,135,022.47 - Step 5: Solve for x
x = 433,848,135,022.47/708,149.87 - Step 6: Final answer
x = 612,650.17
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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.