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Finding the Fourth Proportional to 391,877.42, 587,519.96 and 202,255.40

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Solution

The fourth proportional to 391,877.42, 587,519.96 and 202,255.40 is: 303,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,877.42 : 587,519.96 = 202,255.40 : x
  2. Step 2: Convert to fraction form
    391,877.42/587,519.96 = 202,255.40/x
  3. Step 3: Cross multiply
    391,877.42x = 587,519.96 × 202,255.40
  4. Step 4: Simplify right side
    391,877.42x = 118,829,080,568.91
  5. Step 5: Solve for x
    x = 118,829,080,568.91/391,877.42
  6. Step 6: Final answer
    x = 303,230.23

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