Home / 814,250.35-1,220,785.03-547,348.87

Finding the Fourth Proportional to 814,250.35, 1,220,785.03 and 547,348.87

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Solution

The fourth proportional to 814,250.35, 1,220,785.03 and 547,348.87 is: 820,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,250.35 : 1,220,785.03 = 547,348.87 : x
  2. Step 2: Convert to fraction form
    814,250.35/1,220,785.03 = 547,348.87/x
  3. Step 3: Cross multiply
    814,250.35x = 1,220,785.03 × 547,348.87
  4. Step 4: Simplify right side
    814,250.35x = 668,195,306,683.42
  5. Step 5: Solve for x
    x = 668,195,306,683.42/814,250.35
  6. Step 6: Final answer
    x = 820,626.37

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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.