Home / 815,834.94-1,223,331.81-366,170.33

Finding the Fourth Proportional to 815,834.94, 1,223,331.81 and 366,170.33

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Solution

The fourth proportional to 815,834.94, 1,223,331.81 and 366,170.33 is: 549,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,834.94 : 1,223,331.81 = 366,170.33 : x
  2. Step 2: Convert to fraction form
    815,834.94/1,223,331.81 = 366,170.33/x
  3. Step 3: Cross multiply
    815,834.94x = 1,223,331.81 × 366,170.33
  4. Step 4: Simplify right side
    815,834.94x = 447,947,806,450.54
  5. Step 5: Solve for x
    x = 447,947,806,450.54/815,834.94
  6. Step 6: Final answer
    x = 549,066.71

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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.