Home / 722,723.26-997,324.50-396,034.33

Finding the Fourth Proportional to 722,723.26, 997,324.50 and 396,034.33

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Solution

The fourth proportional to 722,723.26, 997,324.50 and 396,034.33 is: 546,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,723.26 : 997,324.50 = 396,034.33 : x
  2. Step 2: Convert to fraction form
    722,723.26/997,324.50 = 396,034.33/x
  3. Step 3: Cross multiply
    722,723.26x = 997,324.50 × 396,034.33
  4. Step 4: Simplify right side
    722,723.26x = 394,974,740,150.09
  5. Step 5: Solve for x
    x = 394,974,740,150.09/722,723.26
  6. Step 6: Final answer
    x = 546,508.96

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1.5x scale

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.