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Finding the Fourth Proportional to 609,936.73, 841,745.06 and 338,034.31

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Solution

The fourth proportional to 609,936.73, 841,745.06 and 338,034.31 is: 466,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,936.73 : 841,745.06 = 338,034.31 : x
  2. Step 2: Convert to fraction form
    609,936.73/841,745.06 = 338,034.31/x
  3. Step 3: Cross multiply
    609,936.73x = 841,745.06 × 338,034.31
  4. Step 4: Simplify right side
    609,936.73x = 284,538,710,553.01
  5. Step 5: Solve for x
    x = 284,538,710,553.01/609,936.73
  6. Step 6: Final answer
    x = 466,505.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.