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Finding the Fourth Proportional to 627,158.40, 940,046.40 and 346,876.80

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Solution

The fourth proportional to 627,158.40, 940,046.40 and 346,876.80 is: 519,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,158.40 : 940,046.40 = 346,876.80 : x
  2. Step 2: Convert to fraction form
    627,158.40/940,046.40 = 346,876.80/x
  3. Step 3: Cross multiply
    627,158.40x = 940,046.40 × 346,876.80
  4. Step 4: Simplify right side
    627,158.40x = 326,080,287,083.52
  5. Step 5: Solve for x
    x = 326,080,287,083.52/627,158.40
  6. Step 6: Final answer
    x = 519,932.90

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