Home / 859,414.10-1,288,246.35-504,245.30

Finding the Fourth Proportional to 859,414.10, 1,288,246.35 and 504,245.30

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Solution

The fourth proportional to 859,414.10, 1,288,246.35 and 504,245.30 is: 755,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,414.10 : 1,288,246.35 = 504,245.30 : x
  2. Step 2: Convert to fraction form
    859,414.10/1,288,246.35 = 504,245.30/x
  3. Step 3: Cross multiply
    859,414.10x = 1,288,246.35 × 504,245.30
  4. Step 4: Simplify right side
    859,414.10x = 649,592,167,229.66
  5. Step 5: Solve for x
    x = 649,592,167,229.66/859,414.10
  6. Step 6: Final answer
    x = 755,854.68

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Double scale
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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.