Home / 801,111.76-1,105,535.60-438,535.84

Finding the Fourth Proportional to 801,111.76, 1,105,535.60 and 438,535.84

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Solution

The fourth proportional to 801,111.76, 1,105,535.60 and 438,535.84 is: 605,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,111.76 : 1,105,535.60 = 438,535.84 : x
  2. Step 2: Convert to fraction form
    801,111.76/1,105,535.60 = 438,535.84/x
  3. Step 3: Cross multiply
    801,111.76x = 1,105,535.60 × 438,535.84
  4. Step 4: Simplify right side
    801,111.76x = 484,816,982,995.90
  5. Step 5: Solve for x
    x = 484,816,982,995.90/801,111.76
  6. Step 6: Final answer
    x = 605,180.21

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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.