Home / 886,764.04-1,330,342.86-255,628.60

Finding the Fourth Proportional to 886,764.04, 1,330,342.86 and 255,628.60

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Solution

The fourth proportional to 886,764.04, 1,330,342.86 and 255,628.60 is: 383,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,764.04 : 1,330,342.86 = 255,628.60 : x
  2. Step 2: Convert to fraction form
    886,764.04/1,330,342.86 = 255,628.60/x
  3. Step 3: Cross multiply
    886,764.04x = 1,330,342.86 × 255,628.60
  4. Step 4: Simplify right side
    886,764.04x = 340,073,682,821.80
  5. Step 5: Solve for x
    x = 340,073,682,821.80/886,764.04
  6. Step 6: Final answer
    x = 383,499.63

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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.