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Finding the Fourth Proportional to 496,936.80, 745,405.20 and 443,023.20

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Solution

The fourth proportional to 496,936.80, 745,405.20 and 443,023.20 is: 664,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,936.80 : 745,405.20 = 443,023.20 : x
  2. Step 2: Convert to fraction form
    496,936.80/745,405.20 = 443,023.20/x
  3. Step 3: Cross multiply
    496,936.80x = 745,405.20 × 443,023.20
  4. Step 4: Simplify right side
    496,936.80x = 330,231,797,000.64
  5. Step 5: Solve for x
    x = 330,231,797,000.64/496,936.80
  6. Step 6: Final answer
    x = 664,534.80

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