Home / 886,822.20-1,330,429.86-255,686.76

Finding the Fourth Proportional to 886,822.20, 1,330,429.86 and 255,686.76

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Solution

The fourth proportional to 886,822.20, 1,330,429.86 and 255,686.76 is: 383,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,822.20 : 1,330,429.86 = 255,686.76 : x
  2. Step 2: Convert to fraction form
    886,822.20/1,330,429.86 = 255,686.76/x
  3. Step 3: Cross multiply
    886,822.20x = 1,330,429.86 × 255,686.76
  4. Step 4: Simplify right side
    886,822.20x = 340,173,300,310.65
  5. Step 5: Solve for x
    x = 340,173,300,310.65/886,822.20
  6. Step 6: Final answer
    x = 383,586.81

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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.