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Finding the Fourth Proportional to 354,724.40, 532,086.60 and 331,223.60

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Solution

The fourth proportional to 354,724.40, 532,086.60 and 331,223.60 is: 496,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,724.40 : 532,086.60 = 331,223.60 : x
  2. Step 2: Convert to fraction form
    354,724.40/532,086.60 = 331,223.60/x
  3. Step 3: Cross multiply
    354,724.40x = 532,086.60 × 331,223.60
  4. Step 4: Simplify right side
    354,724.40x = 176,239,639,163.76
  5. Step 5: Solve for x
    x = 176,239,639,163.76/354,724.40
  6. Step 6: Final answer
    x = 496,835.40

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