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Finding the Fourth Proportional to 457,832.20, 686,165.10 and 333,027.40

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Solution

The fourth proportional to 457,832.20, 686,165.10 and 333,027.40 is: 499,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,832.20 : 686,165.10 = 333,027.40 : x
  2. Step 2: Convert to fraction form
    457,832.20/686,165.10 = 333,027.40/x
  3. Step 3: Cross multiply
    457,832.20x = 686,165.10 × 333,027.40
  4. Step 4: Simplify right side
    457,832.20x = 228,511,779,223.74
  5. Step 5: Solve for x
    x = 228,511,779,223.74/457,832.20
  6. Step 6: Final answer
    x = 499,116.88

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