Home / 801,287.33-1,105,734.53-438,641.76

Finding the Fourth Proportional to 801,287.33, 1,105,734.53 and 438,641.76

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Solution

The fourth proportional to 801,287.33, 1,105,734.53 and 438,641.76 is: 605,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,287.33 : 1,105,734.53 = 438,641.76 : x
  2. Step 2: Convert to fraction form
    801,287.33/1,105,734.53 = 438,641.76/x
  3. Step 3: Cross multiply
    801,287.33x = 1,105,734.53 × 438,641.76
  4. Step 4: Simplify right side
    801,287.33x = 485,021,338,138.76
  5. Step 5: Solve for x
    x = 485,021,338,138.76/801,287.33
  6. Step 6: Final answer
    x = 605,302.64

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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.