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Finding the Fourth Proportional to 444,992.40, 667,423.80 and 129,416.40

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Solution

The fourth proportional to 444,992.40, 667,423.80 and 129,416.40 is: 194,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,992.40 : 667,423.80 = 129,416.40 : x
  2. Step 2: Convert to fraction form
    444,992.40/667,423.80 = 129,416.40/x
  3. Step 3: Cross multiply
    444,992.40x = 667,423.80 × 129,416.40
  4. Step 4: Simplify right side
    444,992.40x = 86,375,585,470.32
  5. Step 5: Solve for x
    x = 86,375,585,470.32/444,992.40
  6. Step 6: Final answer
    x = 194,105.75

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