Home / 783,293.92-1,080,942.96-443,826.88

Finding the Fourth Proportional to 783,293.92, 1,080,942.96 and 443,826.88

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Solution

The fourth proportional to 783,293.92, 1,080,942.96 and 443,826.88 is: 612,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,293.92 : 1,080,942.96 = 443,826.88 : x
  2. Step 2: Convert to fraction form
    783,293.92/1,080,942.96 = 443,826.88/x
  3. Step 3: Cross multiply
    783,293.92x = 1,080,942.96 × 443,826.88
  4. Step 4: Simplify right side
    783,293.92x = 479,751,541,394.77
  5. Step 5: Solve for x
    x = 479,751,541,394.77/783,293.92
  6. Step 6: Final answer
    x = 612,479.59

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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.