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Finding the Fourth Proportional to 482,854.80, 724,278.60 and 145,894.80

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Solution

The fourth proportional to 482,854.80, 724,278.60 and 145,894.80 is: 218,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,854.80 : 724,278.60 = 145,894.80 : x
  2. Step 2: Convert to fraction form
    482,854.80/724,278.60 = 145,894.80/x
  3. Step 3: Cross multiply
    482,854.80x = 724,278.60 × 145,894.80
  4. Step 4: Simplify right side
    482,854.80x = 105,668,481,491.28
  5. Step 5: Solve for x
    x = 105,668,481,491.28/482,854.80
  6. Step 6: Final answer
    x = 218,841.11

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