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Finding the Fourth Proportional to 548,640.60, 822,960.90 and 268,704.60

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Solution

The fourth proportional to 548,640.60, 822,960.90 and 268,704.60 is: 403,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,640.60 : 822,960.90 = 268,704.60 : x
  2. Step 2: Convert to fraction form
    548,640.60/822,960.90 = 268,704.60/x
  3. Step 3: Cross multiply
    548,640.60x = 822,960.90 × 268,704.60
  4. Step 4: Simplify right side
    548,640.60x = 221,133,379,450.14
  5. Step 5: Solve for x
    x = 221,133,379,450.14/548,640.60
  6. Step 6: Final answer
    x = 403,056.90

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