Home / 747,167.24-1,121,079-392,098.28

Finding the Fourth Proportional to 747,167.24, 1,121,079 and 392,098.28

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Solution

The fourth proportional to 747,167.24, 1,121,079 and 392,098.28 is: 588,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,167.24 : 1,121,079 = 392,098.28 : x
  2. Step 2: Convert to fraction form
    747,167.24/1,121,079 = 392,098.28/x
  3. Step 3: Cross multiply
    747,167.24x = 1,121,079 × 392,098.28
  4. Step 4: Simplify right side
    747,167.24x = 439,573,147,644.12
  5. Step 5: Solve for x
    x = 439,573,147,644.12/747,167.24
  6. Step 6: Final answer
    x = 588,319.62

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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.