Finding the Fourth Proportional to 527,010.68, 727,270.44 and 285,288.32
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Solution
The fourth proportional to 527,010.68, 727,270.44 and 285,288.32 is: 393,695.55
Step by Step Solution
- Step 1: Write the proportion equation
527,010.68 : 727,270.44 = 285,288.32 : x - Step 2: Convert to fraction form
527,010.68/727,270.44 = 285,288.32/x - Step 3: Cross multiply
527,010.68x = 727,270.44 × 285,288.32 - Step 4: Simplify right side
527,010.68x = 207,481,762,013.26 - Step 5: Solve for x
x = 207,481,762,013.26/527,010.68 - Step 6: Final answer
x = 393,695.55
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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.