Home / 682,943.20-1,024,414.80-647,951.20

Finding the Fourth Proportional to 682,943.20, 1,024,414.80 and 647,951.20

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Solution

The fourth proportional to 682,943.20, 1,024,414.80 and 647,951.20 is: 971,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,943.20 : 1,024,414.80 = 647,951.20 : x
  2. Step 2: Convert to fraction form
    682,943.20/1,024,414.80 = 647,951.20/x
  3. Step 3: Cross multiply
    682,943.20x = 1,024,414.80 × 647,951.20
  4. Step 4: Simplify right side
    682,943.20x = 663,770,798,957.76
  5. Step 5: Solve for x
    x = 663,770,798,957.76/682,943.20
  6. Step 6: Final answer
    x = 971,926.80

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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.