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Finding the Fourth Proportional to 444,878.40, 667,252.80 and 129,302.40

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Solution

The fourth proportional to 444,878.40, 667,252.80 and 129,302.40 is: 193,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,878.40 : 667,252.80 = 129,302.40 : x
  2. Step 2: Convert to fraction form
    444,878.40/667,252.80 = 129,302.40/x
  3. Step 3: Cross multiply
    444,878.40x = 667,252.80 × 129,302.40
  4. Step 4: Simplify right side
    444,878.40x = 86,277,388,446.72
  5. Step 5: Solve for x
    x = 86,277,388,446.72/444,878.40
  6. Step 6: Final answer
    x = 193,934.77

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