Home / 801,913-1,201,936.38-328,024.12

Finding the Fourth Proportional to 801,913, 1,201,936.38 and 328,024.12

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Solution

The fourth proportional to 801,913, 1,201,936.38 and 328,024.12 is: 491,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,913 : 1,201,936.38 = 328,024.12 : x
  2. Step 2: Convert to fraction form
    801,913/1,201,936.38 = 328,024.12/x
  3. Step 3: Cross multiply
    801,913x = 1,201,936.38 × 328,024.12
  4. Step 4: Simplify right side
    801,913x = 394,264,123,345.49
  5. Step 5: Solve for x
    x = 394,264,123,345.49/801,913
  6. Step 6: Final answer
    x = 491,654.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.