Finding the Fourth Proportional to 527,186.33, 727,520.60 and 285,468.92
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Solution
The fourth proportional to 527,186.33, 727,520.60 and 285,468.92 is: 393,948.99
Step by Step Solution
- Step 1: Write the proportion equation
527,186.33 : 727,520.60 = 285,468.92 : x - Step 2: Convert to fraction form
527,186.33/727,520.60 = 285,468.92/x - Step 3: Cross multiply
527,186.33x = 727,520.60 × 285,468.92 - Step 4: Simplify right side
527,186.33x = 207,684,520,351.21 - Step 5: Solve for x
x = 207,684,520,351.21/527,186.33 - Step 6: Final answer
x = 393,948.99
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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.