Home / 815,073.80-1,223,171.25-282,594.85

Finding the Fourth Proportional to 815,073.80, 1,223,171.25 and 282,594.85

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Solution

The fourth proportional to 815,073.80, 1,223,171.25 and 282,594.85 is: 424,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,073.80 : 1,223,171.25 = 282,594.85 : x
  2. Step 2: Convert to fraction form
    815,073.80/1,223,171.25 = 282,594.85/x
  3. Step 3: Cross multiply
    815,073.80x = 1,223,171.25 × 282,594.85
  4. Step 4: Simplify right side
    815,073.80x = 345,661,888,389.23
  5. Step 5: Solve for x
    x = 345,661,888,389.23/815,073.80
  6. Step 6: Final answer
    x = 424,086.62

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1.5x scale

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.