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Finding the Fourth Proportional to 615,593.39, 849,872.25 and 469,250.28

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Solution

The fourth proportional to 615,593.39, 849,872.25 and 469,250.28 is: 647,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,593.39 : 849,872.25 = 469,250.28 : x
  2. Step 2: Convert to fraction form
    615,593.39/849,872.25 = 469,250.28/x
  3. Step 3: Cross multiply
    615,593.39x = 849,872.25 × 469,250.28
  4. Step 4: Simplify right side
    615,593.39x = 398,802,791,276.73
  5. Step 5: Solve for x
    x = 398,802,791,276.73/615,593.39
  6. Step 6: Final answer
    x = 647,834.76

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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.