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Finding the Fourth Proportional to 481.52, 720.48 and 454.16

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Solution

The fourth proportional to 481.52, 720.48 and 454.16 is: 679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.52 : 720.48 = 454.16 : x
  2. Step 2: Convert to fraction form
    481.52/720.48 = 454.16/x
  3. Step 3: Cross multiply
    481.52x = 720.48 × 454.16
  4. Step 4: Simplify right side
    481.52x = 327,213.20
  5. Step 5: Solve for x
    x = 327,213.20/481.52
  6. Step 6: Final answer
    x = 679.54

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