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Finding the Fourth Proportional to 482,836.80, 724,251.60 and 145,876.80

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Solution

The fourth proportional to 482,836.80, 724,251.60 and 145,876.80 is: 218,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,836.80 : 724,251.60 = 145,876.80 : x
  2. Step 2: Convert to fraction form
    482,836.80/724,251.60 = 145,876.80/x
  3. Step 3: Cross multiply
    482,836.80x = 724,251.60 × 145,876.80
  4. Step 4: Simplify right side
    482,836.80x = 105,651,505,802.88
  5. Step 5: Solve for x
    x = 105,651,505,802.88/482,836.80
  6. Step 6: Final answer
    x = 218,814.11

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