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Finding the Fourth Proportional to 396,501.59, 547,172.75 and 215,213.56

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Solution

The fourth proportional to 396,501.59, 547,172.75 and 215,213.56 is: 296,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,501.59 : 547,172.75 = 215,213.56 : x
  2. Step 2: Convert to fraction form
    396,501.59/547,172.75 = 215,213.56/x
  3. Step 3: Cross multiply
    396,501.59x = 547,172.75 × 215,213.56
  4. Step 4: Simplify right side
    396,501.59x = 117,758,994,632.59
  5. Step 5: Solve for x
    x = 117,758,994,632.59/396,501.59
  6. Step 6: Final answer
    x = 296,995.01

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