Home / 886,921.80-1,330,253.10-255,769.80

Finding the Fourth Proportional to 886,921.80, 1,330,253.10 and 255,769.80

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Solution

The fourth proportional to 886,921.80, 1,330,253.10 and 255,769.80 is: 383,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,921.80 : 1,330,253.10 = 255,769.80 : x
  2. Step 2: Convert to fraction form
    886,921.80/1,330,253.10 = 255,769.80/x
  3. Step 3: Cross multiply
    886,921.80x = 1,330,253.10 × 255,769.80
  4. Step 4: Simplify right side
    886,921.80x = 340,238,569,336.38
  5. Step 5: Solve for x
    x = 340,238,569,336.38/886,921.80
  6. Step 6: Final answer
    x = 383,617.33

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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.