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Finding the Fourth Proportional to 628,177.50, 866,885.36 and 356,158.44

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Solution

The fourth proportional to 628,177.50, 866,885.36 and 356,158.44 is: 491,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,177.50 : 866,885.36 = 356,158.44 : x
  2. Step 2: Convert to fraction form
    628,177.50/866,885.36 = 356,158.44/x
  3. Step 3: Cross multiply
    628,177.50x = 866,885.36 × 356,158.44
  4. Step 4: Simplify right side
    628,177.50x = 308,748,535,695.65
  5. Step 5: Solve for x
    x = 308,748,535,695.65/628,177.50
  6. Step 6: Final answer
    x = 491,498.88

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