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Finding the Fourth Proportional to 516,100.20, 773,996.70 and 200,375.40

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Solution

The fourth proportional to 516,100.20, 773,996.70 and 200,375.40 is: 300,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,100.20 : 773,996.70 = 200,375.40 : x
  2. Step 2: Convert to fraction form
    516,100.20/773,996.70 = 200,375.40/x
  3. Step 3: Cross multiply
    516,100.20x = 773,996.70 × 200,375.40
  4. Step 4: Simplify right side
    516,100.20x = 155,089,898,361.18
  5. Step 5: Solve for x
    x = 155,089,898,361.18/516,100.20
  6. Step 6: Final answer
    x = 300,503.46

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