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Finding the Fourth Proportional to 526,589.04, 726,691.28 and 284,871.54

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Solution

The fourth proportional to 526,589.04, 726,691.28 and 284,871.54 is: 393,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,589.04 : 726,691.28 = 284,871.54 : x
  2. Step 2: Convert to fraction form
    526,589.04/726,691.28 = 284,871.54/x
  3. Step 3: Cross multiply
    526,589.04x = 726,691.28 × 284,871.54
  4. Step 4: Simplify right side
    526,589.04x = 207,013,662,613.81
  5. Step 5: Solve for x
    x = 207,013,662,613.81/526,589.04
  6. Step 6: Final answer
    x = 393,121.86

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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.