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Finding the Fourth Proportional to 366,949.60, 550,424.40 and 328,458.40

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Solution

The fourth proportional to 366,949.60, 550,424.40 and 328,458.40 is: 492,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,949.60 : 550,424.40 = 328,458.40 : x
  2. Step 2: Convert to fraction form
    366,949.60/550,424.40 = 328,458.40/x
  3. Step 3: Cross multiply
    366,949.60x = 550,424.40 × 328,458.40
  4. Step 4: Simplify right side
    366,949.60x = 180,791,517,744.96
  5. Step 5: Solve for x
    x = 180,791,517,744.96/366,949.60
  6. Step 6: Final answer
    x = 492,687.60

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