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Finding the Fourth Proportional to 654.97, 980.13 and 481.23

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Solution

The fourth proportional to 654.97, 980.13 and 481.23 is: 720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.97 : 980.13 = 481.23 : x
  2. Step 2: Convert to fraction form
    654.97/980.13 = 481.23/x
  3. Step 3: Cross multiply
    654.97x = 980.13 × 481.23
  4. Step 4: Simplify right side
    654.97x = 471,667.96
  5. Step 5: Solve for x
    x = 471,667.96/654.97
  6. Step 6: Final answer
    x = 720.14

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