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Finding the Fourth Proportional to 461,121.80, 691,812.30 and 224,472.20

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Solution

The fourth proportional to 461,121.80, 691,812.30 and 224,472.20 is: 336,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,121.80 : 691,812.30 = 224,472.20 : x
  2. Step 2: Convert to fraction form
    461,121.80/691,812.30 = 224,472.20/x
  3. Step 3: Cross multiply
    461,121.80x = 691,812.30 × 224,472.20
  4. Step 4: Simplify right side
    461,121.80x = 155,292,628,968.06
  5. Step 5: Solve for x
    x = 155,292,628,968.06/461,121.80
  6. Step 6: Final answer
    x = 336,771.39

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