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Finding the Fourth Proportional to 781,632, 1,171,795.20 and 332,705.28

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Solution

The fourth proportional to 781,632, 1,171,795.20 and 332,705.28 is: 498,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,632 : 1,171,795.20 = 332,705.28 : x
  2. Step 2: Convert to fraction form
    781,632/1,171,795.20 = 332,705.28/x
  3. Step 3: Cross multiply
    781,632x = 1,171,795.20 × 332,705.28
  4. Step 4: Simplify right side
    781,632x = 389,862,450,118.66
  5. Step 5: Solve for x
    x = 389,862,450,118.66/781,632
  6. Step 6: Final answer
    x = 498,780.05

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