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Finding the Fourth Proportional to 647.52, 969.58 and 516.92

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Solution

The fourth proportional to 647.52, 969.58 and 516.92 is: 774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    647.52 : 969.58 = 516.92 : x
  2. Step 2: Convert to fraction form
    647.52/969.58 = 516.92/x
  3. Step 3: Cross multiply
    647.52x = 969.58 × 516.92
  4. Step 4: Simplify right side
    647.52x = 501,195.29
  5. Step 5: Solve for x
    x = 501,195.29/647.52
  6. Step 6: Final answer
    x = 774.02

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