Home / 801,323.57-1,105,826.32-438,747.33

Finding the Fourth Proportional to 801,323.57, 1,105,826.32 and 438,747.33

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Solution

The fourth proportional to 801,323.57, 1,105,826.32 and 438,747.33 is: 605,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,323.57 : 1,105,826.32 = 438,747.33 : x
  2. Step 2: Convert to fraction form
    801,323.57/1,105,826.32 = 438,747.33/x
  3. Step 3: Cross multiply
    801,323.57x = 1,105,826.32 × 438,747.33
  4. Step 4: Simplify right side
    801,323.57x = 485,178,344,246.86
  5. Step 5: Solve for x
    x = 485,178,344,246.86/801,323.57
  6. Step 6: Final answer
    x = 605,471.20

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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.