Home / 794,680.20-1,192,020.30-321,121.80

Finding the Fourth Proportional to 794,680.20, 1,192,020.30 and 321,121.80

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Solution

The fourth proportional to 794,680.20, 1,192,020.30 and 321,121.80 is: 481,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,680.20 : 1,192,020.30 = 321,121.80 : x
  2. Step 2: Convert to fraction form
    794,680.20/1,192,020.30 = 321,121.80/x
  3. Step 3: Cross multiply
    794,680.20x = 1,192,020.30 × 321,121.80
  4. Step 4: Simplify right side
    794,680.20x = 382,783,704,372.54
  5. Step 5: Solve for x
    x = 382,783,704,372.54/794,680.20
  6. Step 6: Final answer
    x = 481,682.70

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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.