Home / 680,469.44-1,020,851.76-207,142.52

Finding the Fourth Proportional to 680,469.44, 1,020,851.76 and 207,142.52

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Solution

The fourth proportional to 680,469.44, 1,020,851.76 and 207,142.52 is: 310,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,469.44 : 1,020,851.76 = 207,142.52 : x
  2. Step 2: Convert to fraction form
    680,469.44/1,020,851.76 = 207,142.52/x
  3. Step 3: Cross multiply
    680,469.44x = 1,020,851.76 × 207,142.52
  4. Step 4: Simplify right side
    680,469.44x = 211,461,806,112.84
  5. Step 5: Solve for x
    x = 211,461,806,112.84/680,469.44
  6. Step 6: Final answer
    x = 310,758.71

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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.