Home / 801,370.68-1,105,891.83-438,817.52

Finding the Fourth Proportional to 801,370.68, 1,105,891.83 and 438,817.52

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Solution

The fourth proportional to 801,370.68, 1,105,891.83 and 438,817.52 is: 605,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,370.68 : 1,105,891.83 = 438,817.52 : x
  2. Step 2: Convert to fraction form
    801,370.68/1,105,891.83 = 438,817.52/x
  3. Step 3: Cross multiply
    801,370.68x = 1,105,891.83 × 438,817.52
  4. Step 4: Simplify right side
    801,370.68x = 485,284,704,699.40
  5. Step 5: Solve for x
    x = 485,284,704,699.40/801,370.68
  6. Step 6: Final answer
    x = 605,568.33

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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.