Home / 783,257.44-1,080,948.72-443,728.48

Finding the Fourth Proportional to 783,257.44, 1,080,948.72 and 443,728.48

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Solution

The fourth proportional to 783,257.44, 1,080,948.72 and 443,728.48 is: 612,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,257.44 : 1,080,948.72 = 443,728.48 : x
  2. Step 2: Convert to fraction form
    783,257.44/1,080,948.72 = 443,728.48/x
  3. Step 3: Cross multiply
    783,257.44x = 1,080,948.72 × 443,728.48
  4. Step 4: Simplify right side
    783,257.44x = 479,647,732,483.55
  5. Step 5: Solve for x
    x = 479,647,732,483.55/783,257.44
  6. Step 6: Final answer
    x = 612,375.58

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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.