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Finding the Fourth Proportional to 484,505.60, 726,499.20 and 168,972.80

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Solution

The fourth proportional to 484,505.60, 726,499.20 and 168,972.80 is: 253,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,505.60 : 726,499.20 = 168,972.80 : x
  2. Step 2: Convert to fraction form
    484,505.60/726,499.20 = 168,972.80/x
  3. Step 3: Cross multiply
    484,505.60x = 726,499.20 × 168,972.80
  4. Step 4: Simplify right side
    484,505.60x = 122,758,604,021.76
  5. Step 5: Solve for x
    x = 122,758,604,021.76/484,505.60
  6. Step 6: Final answer
    x = 253,368.80

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