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Finding the Fourth Proportional to 416,428.80, 624,934.80 and 179,941.20

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Solution

The fourth proportional to 416,428.80, 624,934.80 and 179,941.20 is: 270,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,428.80 : 624,934.80 = 179,941.20 : x
  2. Step 2: Convert to fraction form
    416,428.80/624,934.80 = 179,941.20/x
  3. Step 3: Cross multiply
    416,428.80x = 624,934.80 × 179,941.20
  4. Step 4: Simplify right side
    416,428.80x = 112,451,517,833.76
  5. Step 5: Solve for x
    x = 112,451,517,833.76/416,428.80
  6. Step 6: Final answer
    x = 270,037.80

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