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Finding the Fourth Proportional to 487,446.32, 730,644.58 and 465,098.96

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Solution

The fourth proportional to 487,446.32, 730,644.58 and 465,098.96 is: 697,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,446.32 : 730,644.58 = 465,098.96 : x
  2. Step 2: Convert to fraction form
    487,446.32/730,644.58 = 465,098.96/x
  3. Step 3: Cross multiply
    487,446.32x = 730,644.58 × 465,098.96
  4. Step 4: Simplify right side
    487,446.32x = 339,822,034,287.64
  5. Step 5: Solve for x
    x = 339,822,034,287.64/487,446.32
  6. Step 6: Final answer
    x = 697,147.60

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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.