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Finding the Fourth Proportional to 710.76, 980.84 and 412.06

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Solution

The fourth proportional to 710.76, 980.84 and 412.06 is: 568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.76 : 980.84 = 412.06 : x
  2. Step 2: Convert to fraction form
    710.76/980.84 = 412.06/x
  3. Step 3: Cross multiply
    710.76x = 980.84 × 412.06
  4. Step 4: Simplify right side
    710.76x = 404,165.96
  5. Step 5: Solve for x
    x = 404,165.96/710.76
  6. Step 6: Final answer
    x = 568.64

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