Home / 782,738.04-1,080,182.74-443,272.44

Finding the Fourth Proportional to 782,738.04, 1,080,182.74 and 443,272.44

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Solution

The fourth proportional to 782,738.04, 1,080,182.74 and 443,272.44 is: 611,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,738.04 : 1,080,182.74 = 443,272.44 : x
  2. Step 2: Convert to fraction form
    782,738.04/1,080,182.74 = 443,272.44/x
  3. Step 3: Cross multiply
    782,738.04x = 1,080,182.74 × 443,272.44
  4. Step 4: Simplify right side
    782,738.04x = 478,815,238,805.69
  5. Step 5: Solve for x
    x = 478,815,238,805.69/782,738.04
  6. Step 6: Final answer
    x = 611,718.37

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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.