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Finding the Fourth Proportional to 414,226.31, 621,340.07 and 126,040.46

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Solution

The fourth proportional to 414,226.31, 621,340.07 and 126,040.46 is: 189,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,226.31 : 621,340.07 = 126,040.46 : x
  2. Step 2: Convert to fraction form
    414,226.31/621,340.07 = 126,040.46/x
  3. Step 3: Cross multiply
    414,226.31x = 621,340.07 × 126,040.46
  4. Step 4: Simplify right side
    414,226.31x = 78,313,984,502.33
  5. Step 5: Solve for x
    x = 78,313,984,502.33/414,226.31
  6. Step 6: Final answer
    x = 189,060.87

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