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Finding the Fourth Proportional to 716.82, 988.06 and 539.52

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Solution

The fourth proportional to 716.82, 988.06 and 539.52 is: 743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.82 : 988.06 = 539.52 : x
  2. Step 2: Convert to fraction form
    716.82/988.06 = 539.52/x
  3. Step 3: Cross multiply
    716.82x = 988.06 × 539.52
  4. Step 4: Simplify right side
    716.82x = 533,078.13
  5. Step 5: Solve for x
    x = 533,078.13/716.82
  6. Step 6: Final answer
    x = 743.67

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