Home / 886,919.55-1,330,249.72-255,767.55

Finding the Fourth Proportional to 886,919.55, 1,330,249.72 and 255,767.55

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Solution

The fourth proportional to 886,919.55, 1,330,249.72 and 255,767.55 is: 383,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,919.55 : 1,330,249.72 = 255,767.55 : x
  2. Step 2: Convert to fraction form
    886,919.55/1,330,249.72 = 255,767.55/x
  3. Step 3: Cross multiply
    886,919.55x = 1,330,249.72 × 255,767.55
  4. Step 4: Simplify right side
    886,919.55x = 340,234,711,772.59
  5. Step 5: Solve for x
    x = 340,234,711,772.59/886,919.55
  6. Step 6: Final answer
    x = 383,613.95

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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.