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Finding the Fourth Proportional to 548,834.40, 821,696.40 and 492,847.20

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Solution

The fourth proportional to 548,834.40, 821,696.40 and 492,847.20 is: 737,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,834.40 : 821,696.40 = 492,847.20 : x
  2. Step 2: Convert to fraction form
    548,834.40/821,696.40 = 492,847.20/x
  3. Step 3: Cross multiply
    548,834.40x = 821,696.40 × 492,847.20
  4. Step 4: Simplify right side
    548,834.40x = 404,970,769,990.08
  5. Step 5: Solve for x
    x = 404,970,769,990.08/548,834.40
  6. Step 6: Final answer
    x = 737,874.25

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