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Finding the Fourth Proportional to 652,398.90, 978,646.95 and 231,620.10

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Solution

The fourth proportional to 652,398.90, 978,646.95 and 231,620.10 is: 347,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,398.90 : 978,646.95 = 231,620.10 : x
  2. Step 2: Convert to fraction form
    652,398.90/978,646.95 = 231,620.10/x
  3. Step 3: Cross multiply
    652,398.90x = 978,646.95 × 231,620.10
  4. Step 4: Simplify right side
    652,398.90x = 226,674,304,423.70
  5. Step 5: Solve for x
    x = 226,674,304,423.70/652,398.90
  6. Step 6: Final answer
    x = 347,447.40

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