Home / 980,904.20-1,471,404.90-508,512.20

Finding the Fourth Proportional to 980,904.20, 1,471,404.90 and 508,512.20

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Solution

The fourth proportional to 980,904.20, 1,471,404.90 and 508,512.20 is: 762,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,904.20 : 1,471,404.90 = 508,512.20 : x
  2. Step 2: Convert to fraction form
    980,904.20/1,471,404.90 = 508,512.20/x
  3. Step 3: Cross multiply
    980,904.20x = 1,471,404.90 × 508,512.20
  4. Step 4: Simplify right side
    980,904.20x = 748,227,342,789.78
  5. Step 5: Solve for x
    x = 748,227,342,789.78/980,904.20
  6. Step 6: Final answer
    x = 762,793.49

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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.