Home / 801,287.22-1,105,734.33-438,641.61

Finding the Fourth Proportional to 801,287.22, 1,105,734.33 and 438,641.61

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Solution

The fourth proportional to 801,287.22, 1,105,734.33 and 438,641.61 is: 605,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,287.22 : 1,105,734.33 = 438,641.61 : x
  2. Step 2: Convert to fraction form
    801,287.22/1,105,734.33 = 438,641.61/x
  3. Step 3: Cross multiply
    801,287.22x = 1,105,734.33 × 438,641.61
  4. Step 4: Simplify right side
    801,287.22x = 485,021,086,743.47
  5. Step 5: Solve for x
    x = 485,021,086,743.47/801,287.22
  6. Step 6: Final answer
    x = 605,302.41

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1.5x scale

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.