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Finding the Fourth Proportional to 482,974.40, 724,461.60 and 303,348.80

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Solution

The fourth proportional to 482,974.40, 724,461.60 and 303,348.80 is: 455,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,974.40 : 724,461.60 = 303,348.80 : x
  2. Step 2: Convert to fraction form
    482,974.40/724,461.60 = 303,348.80/x
  3. Step 3: Cross multiply
    482,974.40x = 724,461.60 × 303,348.80
  4. Step 4: Simplify right side
    482,974.40x = 219,764,557,006.08
  5. Step 5: Solve for x
    x = 219,764,557,006.08/482,974.40
  6. Step 6: Final answer
    x = 455,023.20

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