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Finding the Fourth Proportional to 488,694.81, 732,591.18 and 339,005.73

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Solution

The fourth proportional to 488,694.81, 732,591.18 and 339,005.73 is: 508,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,694.81 : 732,591.18 = 339,005.73 : x
  2. Step 2: Convert to fraction form
    488,694.81/732,591.18 = 339,005.73/x
  3. Step 3: Cross multiply
    488,694.81x = 732,591.18 × 339,005.73
  4. Step 4: Simplify right side
    488,694.81x = 248,352,607,767.46
  5. Step 5: Solve for x
    x = 248,352,607,767.46/488,694.81
  6. Step 6: Final answer
    x = 508,195.71

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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.