Home / 801,177.75-1,105,627.73-438,604.74

Finding the Fourth Proportional to 801,177.75, 1,105,627.73 and 438,604.74

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Solution

The fourth proportional to 801,177.75, 1,105,627.73 and 438,604.74 is: 605,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,177.75 : 1,105,627.73 = 438,604.74 : x
  2. Step 2: Convert to fraction form
    801,177.75/1,105,627.73 = 438,604.74/x
  3. Step 3: Cross multiply
    801,177.75x = 1,105,627.73 × 438,604.74
  4. Step 4: Simplify right side
    801,177.75x = 484,933,560,860.42
  5. Step 5: Solve for x
    x = 484,933,560,860.42/801,177.75
  6. Step 6: Final answer
    x = 605,275.87

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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.