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Finding the Fourth Proportional to 339,094.20, 507,863.70 and 331,318.20

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Solution

The fourth proportional to 339,094.20, 507,863.70 and 331,318.20 is: 496,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,094.20 : 507,863.70 = 331,318.20 : x
  2. Step 2: Convert to fraction form
    339,094.20/507,863.70 = 331,318.20/x
  3. Step 3: Cross multiply
    339,094.20x = 507,863.70 × 331,318.20
  4. Step 4: Simplify right side
    339,094.20x = 168,264,486,929.34
  5. Step 5: Solve for x
    x = 168,264,486,929.34/339,094.20
  6. Step 6: Final answer
    x = 496,217.53

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