Home / 886,923.30-1,330,255.35-255,771.30

Finding the Fourth Proportional to 886,923.30, 1,330,255.35 and 255,771.30

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Solution

The fourth proportional to 886,923.30, 1,330,255.35 and 255,771.30 is: 383,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,923.30 : 1,330,255.35 = 255,771.30 : x
  2. Step 2: Convert to fraction form
    886,923.30/1,330,255.35 = 255,771.30/x
  3. Step 3: Cross multiply
    886,923.30x = 1,330,255.35 × 255,771.30
  4. Step 4: Simplify right side
    886,923.30x = 340,241,140,201.46
  5. Step 5: Solve for x
    x = 340,241,140,201.46/886,923.30
  6. Step 6: Final answer
    x = 383,619.58

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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.