Home / 801,947.59-1,202,836.64-422,716.32

Finding the Fourth Proportional to 801,947.59, 1,202,836.64 and 422,716.32

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Solution

The fourth proportional to 801,947.59, 1,202,836.64 and 422,716.32 is: 634,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,947.59 : 1,202,836.64 = 422,716.32 : x
  2. Step 2: Convert to fraction form
    801,947.59/1,202,836.64 = 422,716.32/x
  3. Step 3: Cross multiply
    801,947.59x = 1,202,836.64 × 422,716.32
  4. Step 4: Simplify right side
    801,947.59x = 508,458,675,908.38
  5. Step 5: Solve for x
    x = 508,458,675,908.38/801,947.59
  6. Step 6: Final answer
    x = 634,029.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.