Home / 886,910.80-1,330,236.60-255,758.80

Finding the Fourth Proportional to 886,910.80, 1,330,236.60 and 255,758.80

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Solution

The fourth proportional to 886,910.80, 1,330,236.60 and 255,758.80 is: 383,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,910.80 : 1,330,236.60 = 255,758.80 : x
  2. Step 2: Convert to fraction form
    886,910.80/1,330,236.60 = 255,758.80/x
  3. Step 3: Cross multiply
    886,910.80x = 1,330,236.60 × 255,758.80
  4. Step 4: Simplify right side
    886,910.80x = 340,219,716,532.08
  5. Step 5: Solve for x
    x = 340,219,716,532.08/886,910.80
  6. Step 6: Final answer
    x = 383,600.83

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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.