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Finding the Fourth Proportional to 615,279.90, 923,092.65 and 299,747.10

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Solution

The fourth proportional to 615,279.90, 923,092.65 and 299,747.10 is: 449,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,279.90 : 923,092.65 = 299,747.10 : x
  2. Step 2: Convert to fraction form
    615,279.90/923,092.65 = 299,747.10/x
  3. Step 3: Cross multiply
    615,279.90x = 923,092.65 × 299,747.10
  4. Step 4: Simplify right side
    615,279.90x = 276,694,344,868.82
  5. Step 5: Solve for x
    x = 276,694,344,868.82/615,279.90
  6. Step 6: Final answer
    x = 449,704.83

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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.