Home / 379,012.19-568,815.42-264,414.77

Finding the Fourth Proportional to 379,012.19, 568,815.42 and 264,414.77

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Solution

The fourth proportional to 379,012.19, 568,815.42 and 264,414.77 is: 396,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,012.19 : 568,815.42 = 264,414.77 : x
  2. Step 2: Convert to fraction form
    379,012.19/568,815.42 = 264,414.77/x
  3. Step 3: Cross multiply
    379,012.19x = 568,815.42 × 264,414.77
  4. Step 4: Simplify right side
    379,012.19x = 150,403,195,607.68
  5. Step 5: Solve for x
    x = 150,403,195,607.68/379,012.19
  6. Step 6: Final answer
    x = 396,829.45

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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.