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Finding the Fourth Proportional to 615,607.92, 849,892.32 and 469,265.04

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Solution

The fourth proportional to 615,607.92, 849,892.32 and 469,265.04 is: 647,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,607.92 : 849,892.32 = 469,265.04 : x
  2. Step 2: Convert to fraction form
    615,607.92/849,892.32 = 469,265.04/x
  3. Step 3: Cross multiply
    615,607.92x = 849,892.32 × 469,265.04
  4. Step 4: Simplify right side
    615,607.92x = 398,824,753,540.49
  5. Step 5: Solve for x
    x = 398,824,753,540.49/615,607.92
  6. Step 6: Final answer
    x = 647,855.14

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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.