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Finding the Fourth Proportional to 444,902.40, 667,288.80 and 129,326.40

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Solution

The fourth proportional to 444,902.40, 667,288.80 and 129,326.40 is: 193,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,902.40 : 667,288.80 = 129,326.40 : x
  2. Step 2: Convert to fraction form
    444,902.40/667,288.80 = 129,326.40/x
  3. Step 3: Cross multiply
    444,902.40x = 667,288.80 × 129,326.40
  4. Step 4: Simplify right side
    444,902.40x = 86,298,058,264.32
  5. Step 5: Solve for x
    x = 86,298,058,264.32/444,902.40
  6. Step 6: Final answer
    x = 193,970.76

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