Home / 782,983.68-1,080,481.32-443,454.36

Finding the Fourth Proportional to 782,983.68, 1,080,481.32 and 443,454.36

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Solution

The fourth proportional to 782,983.68, 1,080,481.32 and 443,454.36 is: 611,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,983.68 : 1,080,481.32 = 443,454.36 : x
  2. Step 2: Convert to fraction form
    782,983.68/1,080,481.32 = 443,454.36/x
  3. Step 3: Cross multiply
    782,983.68x = 1,080,481.32 × 443,454.36
  4. Step 4: Simplify right side
    782,983.68x = 479,144,152,252.56
  5. Step 5: Solve for x
    x = 479,144,152,252.56/782,983.68
  6. Step 6: Final answer
    x = 611,946.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.