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Finding the Fourth Proportional to 641,888.24, 962,520.65 and 321,902.87

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Solution

The fourth proportional to 641,888.24, 962,520.65 and 321,902.87 is: 482,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,888.24 : 962,520.65 = 321,902.87 : x
  2. Step 2: Convert to fraction form
    641,888.24/962,520.65 = 321,902.87/x
  3. Step 3: Cross multiply
    641,888.24x = 962,520.65 × 321,902.87
  4. Step 4: Simplify right side
    641,888.24x = 309,838,158,059.75
  5. Step 5: Solve for x
    x = 309,838,158,059.75/641,888.24
  6. Step 6: Final answer
    x = 482,697.98

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