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Finding the Fourth Proportional to 414,910.80, 622,366.20 and 134,456.40

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Solution

The fourth proportional to 414,910.80, 622,366.20 and 134,456.40 is: 201,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,910.80 : 622,366.20 = 134,456.40 : x
  2. Step 2: Convert to fraction form
    414,910.80/622,366.20 = 134,456.40/x
  3. Step 3: Cross multiply
    414,910.80x = 622,366.20 × 134,456.40
  4. Step 4: Simplify right side
    414,910.80x = 83,681,118,733.68
  5. Step 5: Solve for x
    x = 83,681,118,733.68/414,910.80
  6. Step 6: Final answer
    x = 201,684.60

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