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Finding the Fourth Proportional to 628,221.62, 866,750.22 and 356,268.17

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Solution

The fourth proportional to 628,221.62, 866,750.22 and 356,268.17 is: 491,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,221.62 : 866,750.22 = 356,268.17 : x
  2. Step 2: Convert to fraction form
    628,221.62/866,750.22 = 356,268.17/x
  3. Step 3: Cross multiply
    628,221.62x = 866,750.22 × 356,268.17
  4. Step 4: Simplify right side
    628,221.62x = 308,795,516,893.37
  5. Step 5: Solve for x
    x = 308,795,516,893.37/628,221.62
  6. Step 6: Final answer
    x = 491,539.14

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