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Finding the Fourth Proportional to 396,328.14, 546,932.66 and 226,565.91

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Solution

The fourth proportional to 396,328.14, 546,932.66 and 226,565.91 is: 312,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,328.14 : 546,932.66 = 226,565.91 : x
  2. Step 2: Convert to fraction form
    396,328.14/546,932.66 = 226,565.91/x
  3. Step 3: Cross multiply
    396,328.14x = 546,932.66 × 226,565.91
  4. Step 4: Simplify right side
    396,328.14x = 123,916,294,688.79
  5. Step 5: Solve for x
    x = 123,916,294,688.79/396,328.14
  6. Step 6: Final answer
    x = 312,660.85

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