Home / 649,629.22-896,491.92-363,161.38

Finding the Fourth Proportional to 649,629.22, 896,491.92 and 363,161.38

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Solution

The fourth proportional to 649,629.22, 896,491.92 and 363,161.38 is: 501,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,629.22 : 896,491.92 = 363,161.38 : x
  2. Step 2: Convert to fraction form
    649,629.22/896,491.92 = 363,161.38/x
  3. Step 3: Cross multiply
    649,629.22x = 896,491.92 × 363,161.38
  4. Step 4: Simplify right side
    649,629.22x = 325,571,242,826.05
  5. Step 5: Solve for x
    x = 325,571,242,826.05/649,629.22
  6. Step 6: Final answer
    x = 501,164.71

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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.