Home / 785,012.85-1,083,255.98-445,481.10

Finding the Fourth Proportional to 785,012.85, 1,083,255.98 and 445,481.10

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Solution

The fourth proportional to 785,012.85, 1,083,255.98 and 445,481.10 is: 614,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,012.85 : 1,083,255.98 = 445,481.10 : x
  2. Step 2: Convert to fraction form
    785,012.85/1,083,255.98 = 445,481.10/x
  3. Step 3: Cross multiply
    785,012.85x = 1,083,255.98 × 445,481.10
  4. Step 4: Simplify right side
    785,012.85x = 482,570,063,324.57
  5. Step 5: Solve for x
    x = 482,570,063,324.57/785,012.85
  6. Step 6: Final answer
    x = 614,728.87

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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.