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Finding the Fourth Proportional to 474,832.79, 712,286.07 and 137,879

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Solution

The fourth proportional to 474,832.79, 712,286.07 and 137,879 is: 206,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,832.79 : 712,286.07 = 137,879 : x
  2. Step 2: Convert to fraction form
    474,832.79/712,286.07 = 137,879/x
  3. Step 3: Cross multiply
    474,832.79x = 712,286.07 × 137,879
  4. Step 4: Simplify right side
    474,832.79x = 98,209,291,045.53
  5. Step 5: Solve for x
    x = 98,209,291,045.53/474,832.79
  6. Step 6: Final answer
    x = 206,829.21

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