Home / 754,761.11-1,132,666.54-487,859.63

Finding the Fourth Proportional to 754,761.11, 1,132,666.54 and 487,859.63

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Solution

The fourth proportional to 754,761.11, 1,132,666.54 and 487,859.63 is: 732,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,761.11 : 1,132,666.54 = 487,859.63 : x
  2. Step 2: Convert to fraction form
    754,761.11/1,132,666.54 = 487,859.63/x
  3. Step 3: Cross multiply
    754,761.11x = 1,132,666.54 × 487,859.63
  4. Step 4: Simplify right side
    754,761.11x = 552,582,272,234.80
  5. Step 5: Solve for x
    x = 552,582,272,234.80/754,761.11
  6. Step 6: Final answer
    x = 732,128.71

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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.