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Finding the Fourth Proportional to 484,834.40, 727,251.60 and 316,872.80

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Solution

The fourth proportional to 484,834.40, 727,251.60 and 316,872.80 is: 475,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,834.40 : 727,251.60 = 316,872.80 : x
  2. Step 2: Convert to fraction form
    484,834.40/727,251.60 = 316,872.80/x
  3. Step 3: Cross multiply
    484,834.40x = 727,251.60 × 316,872.80
  4. Step 4: Simplify right side
    484,834.40x = 230,446,250,796.48
  5. Step 5: Solve for x
    x = 230,446,250,796.48/484,834.40
  6. Step 6: Final answer
    x = 475,309.20

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