Home / 783,046.82-1,080,707.38-443,526.50

Finding the Fourth Proportional to 783,046.82, 1,080,707.38 and 443,526.50

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Solution

The fourth proportional to 783,046.82, 1,080,707.38 and 443,526.50 is: 612,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,046.82 : 1,080,707.38 = 443,526.50 : x
  2. Step 2: Convert to fraction form
    783,046.82/1,080,707.38 = 443,526.50/x
  3. Step 3: Cross multiply
    783,046.82x = 1,080,707.38 × 443,526.50
  4. Step 4: Simplify right side
    783,046.82x = 479,322,361,775.57
  5. Step 5: Solve for x
    x = 479,322,361,775.57/783,046.82
  6. Step 6: Final answer
    x = 612,124.78

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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.