Home / 815,559.26-1,223,338.89-254,641.82

Finding the Fourth Proportional to 815,559.26, 1,223,338.89 and 254,641.82

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Solution

The fourth proportional to 815,559.26, 1,223,338.89 and 254,641.82 is: 381,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,559.26 : 1,223,338.89 = 254,641.82 : x
  2. Step 2: Convert to fraction form
    815,559.26/1,223,338.89 = 254,641.82/x
  3. Step 3: Cross multiply
    815,559.26x = 1,223,338.89 × 254,641.82
  4. Step 4: Simplify right side
    815,559.26x = 311,513,241,426.38
  5. Step 5: Solve for x
    x = 311,513,241,426.38/815,559.26
  6. Step 6: Final answer
    x = 381,962.73

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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.