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Finding the Fourth Proportional to 307,626.80, 461,440.20 and 274,449.20

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Solution

The fourth proportional to 307,626.80, 461,440.20 and 274,449.20 is: 411,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,626.80 : 461,440.20 = 274,449.20 : x
  2. Step 2: Convert to fraction form
    307,626.80/461,440.20 = 274,449.20/x
  3. Step 3: Cross multiply
    307,626.80x = 461,440.20 × 274,449.20
  4. Step 4: Simplify right side
    307,626.80x = 126,641,893,737.84
  5. Step 5: Solve for x
    x = 126,641,893,737.84/307,626.80
  6. Step 6: Final answer
    x = 411,673.80

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