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Finding the Fourth Proportional to 396,598.68, 547,103.28 and 253,207.96

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Solution

The fourth proportional to 396,598.68, 547,103.28 and 253,207.96 is: 349,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,598.68 : 547,103.28 = 253,207.96 : x
  2. Step 2: Convert to fraction form
    396,598.68/547,103.28 = 253,207.96/x
  3. Step 3: Cross multiply
    396,598.68x = 547,103.28 × 253,207.96
  4. Step 4: Simplify right side
    396,598.68x = 138,530,905,438.11
  5. Step 5: Solve for x
    x = 138,530,905,438.11/396,598.68
  6. Step 6: Final answer
    x = 349,297.44

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