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Finding the Fourth Proportional to 624,622.06, 861,978.71 and 338,142.13

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Solution

The fourth proportional to 624,622.06, 861,978.71 and 338,142.13 is: 466,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,622.06 : 861,978.71 = 338,142.13 : x
  2. Step 2: Convert to fraction form
    624,622.06/861,978.71 = 338,142.13/x
  3. Step 3: Cross multiply
    624,622.06x = 861,978.71 × 338,142.13
  4. Step 4: Simplify right side
    624,622.06x = 291,471,317,014.05
  5. Step 5: Solve for x
    x = 291,471,317,014.05/624,622.06
  6. Step 6: Final answer
    x = 466,636.28

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