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Finding the Fourth Proportional to 396,402.34, 547,035.60 and 226,640.02

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Solution

The fourth proportional to 396,402.34, 547,035.60 and 226,640.02 is: 312,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,402.34 : 547,035.60 = 226,640.02 : x
  2. Step 2: Convert to fraction form
    396,402.34/547,035.60 = 226,640.02/x
  3. Step 3: Cross multiply
    396,402.34x = 547,035.60 × 226,640.02
  4. Step 4: Simplify right side
    396,402.34x = 123,980,159,324.71
  5. Step 5: Solve for x
    x = 123,980,159,324.71/396,402.34
  6. Step 6: Final answer
    x = 312,763.44

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