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Finding the Fourth Proportional to 457,000.28, 630,652.69 and 253,046.81

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Solution

The fourth proportional to 457,000.28, 630,652.69 and 253,046.81 is: 349,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,000.28 : 630,652.69 = 253,046.81 : x
  2. Step 2: Convert to fraction form
    457,000.28/630,652.69 = 253,046.81/x
  3. Step 3: Cross multiply
    457,000.28x = 630,652.69 × 253,046.81
  4. Step 4: Simplify right side
    457,000.28x = 159,584,648,923.50
  5. Step 5: Solve for x
    x = 159,584,648,923.50/457,000.28
  6. Step 6: Final answer
    x = 349,200.33

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