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Finding the Fourth Proportional to 407,240.60, 561,965.28 and 225,952.04

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Solution

The fourth proportional to 407,240.60, 561,965.28 and 225,952.04 is: 311,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,240.60 : 561,965.28 = 225,952.04 : x
  2. Step 2: Convert to fraction form
    407,240.60/561,965.28 = 225,952.04/x
  3. Step 3: Cross multiply
    407,240.60x = 561,965.28 × 225,952.04
  4. Step 4: Simplify right side
    407,240.60x = 126,977,201,425.17
  5. Step 5: Solve for x
    x = 126,977,201,425.17/407,240.60
  6. Step 6: Final answer
    x = 311,798.97

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