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Finding the Fourth Proportional to 331,747.76, 497,621.99 and 82,429.76

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Solution

The fourth proportional to 331,747.76, 497,621.99 and 82,429.76 is: 123,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,747.76 : 497,621.99 = 82,429.76 : x
  2. Step 2: Convert to fraction form
    331,747.76/497,621.99 = 82,429.76/x
  3. Step 3: Cross multiply
    331,747.76x = 497,621.99 × 82,429.76
  4. Step 4: Simplify right side
    331,747.76x = 41,018,858,306.16
  5. Step 5: Solve for x
    x = 41,018,858,306.16/331,747.76
  6. Step 6: Final answer
    x = 123,644.72

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