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Finding the Fourth Proportional to 444,897.40, 667,281.30 and 129,321.40

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Solution

The fourth proportional to 444,897.40, 667,281.30 and 129,321.40 is: 193,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,897.40 : 667,281.30 = 129,321.40 : x
  2. Step 2: Convert to fraction form
    444,897.40/667,281.30 = 129,321.40/x
  3. Step 3: Cross multiply
    444,897.40x = 667,281.30 × 129,321.40
  4. Step 4: Simplify right side
    444,897.40x = 86,293,751,909.82
  5. Step 5: Solve for x
    x = 86,293,751,909.82/444,897.40
  6. Step 6: Final answer
    x = 193,963.26

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