Home / 680,649.26-1,020,735.77-200,749.73

Finding the Fourth Proportional to 680,649.26, 1,020,735.77 and 200,749.73

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Solution

The fourth proportional to 680,649.26, 1,020,735.77 and 200,749.73 is: 301,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,649.26 : 1,020,735.77 = 200,749.73 : x
  2. Step 2: Convert to fraction form
    680,649.26/1,020,735.77 = 200,749.73/x
  3. Step 3: Cross multiply
    680,649.26x = 1,020,735.77 × 200,749.73
  4. Step 4: Simplify right side
    680,649.26x = 204,912,424,121.42
  5. Step 5: Solve for x
    x = 204,912,424,121.42/680,649.26
  6. Step 6: Final answer
    x = 301,054.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.