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Finding the Fourth Proportional to 442,834.20, 664,251.30 and 265,249.80

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Solution

The fourth proportional to 442,834.20, 664,251.30 and 265,249.80 is: 397,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,834.20 : 664,251.30 = 265,249.80 : x
  2. Step 2: Convert to fraction form
    442,834.20/664,251.30 = 265,249.80/x
  3. Step 3: Cross multiply
    442,834.20x = 664,251.30 × 265,249.80
  4. Step 4: Simplify right side
    442,834.20x = 176,192,524,474.74
  5. Step 5: Solve for x
    x = 176,192,524,474.74/442,834.20
  6. Step 6: Final answer
    x = 397,874.70

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