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Finding the Fourth Proportional to 461,216.80, 691,954.80 and 224,567.20

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Solution

The fourth proportional to 461,216.80, 691,954.80 and 224,567.20 is: 336,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,216.80 : 691,954.80 = 224,567.20 : x
  2. Step 2: Convert to fraction form
    461,216.80/691,954.80 = 224,567.20/x
  3. Step 3: Cross multiply
    461,216.80x = 691,954.80 × 224,567.20
  4. Step 4: Simplify right side
    461,216.80x = 155,390,351,962.56
  5. Step 5: Solve for x
    x = 155,390,351,962.56/461,216.80
  6. Step 6: Final answer
    x = 336,913.90

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