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Finding the Fourth Proportional to 609,273.09, 840,823.13 and 337,340.97

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Solution

The fourth proportional to 609,273.09, 840,823.13 and 337,340.97 is: 465,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,273.09 : 840,823.13 = 337,340.97 : x
  2. Step 2: Convert to fraction form
    609,273.09/840,823.13 = 337,340.97/x
  3. Step 3: Cross multiply
    609,273.09x = 840,823.13 × 337,340.97
  4. Step 4: Simplify right side
    609,273.09x = 283,644,090,272.64
  5. Step 5: Solve for x
    x = 283,644,090,272.64/609,273.09
  6. Step 6: Final answer
    x = 465,545.08

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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.