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Finding the Fourth Proportional to 482,508.38, 665,848.72 and 278,552.41

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Solution

The fourth proportional to 482,508.38, 665,848.72 and 278,552.41 is: 384,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,508.38 : 665,848.72 = 278,552.41 : x
  2. Step 2: Convert to fraction form
    482,508.38/665,848.72 = 278,552.41/x
  3. Step 3: Cross multiply
    482,508.38x = 665,848.72 × 278,552.41
  4. Step 4: Simplify right side
    482,508.38x = 185,473,765,651.42
  5. Step 5: Solve for x
    x = 185,473,765,651.42/482,508.38
  6. Step 6: Final answer
    x = 384,394.91

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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.