Home / 952,078.44-1,428,122.56-320,997.72

Finding the Fourth Proportional to 952,078.44, 1,428,122.56 and 320,997.72

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Solution

The fourth proportional to 952,078.44, 1,428,122.56 and 320,997.72 is: 481,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,078.44 : 1,428,122.56 = 320,997.72 : x
  2. Step 2: Convert to fraction form
    952,078.44/1,428,122.56 = 320,997.72/x
  3. Step 3: Cross multiply
    952,078.44x = 1,428,122.56 × 320,997.72
  4. Step 4: Simplify right side
    952,078.44x = 458,424,085,640.56
  5. Step 5: Solve for x
    x = 458,424,085,640.56/952,078.44
  6. Step 6: Final answer
    x = 481,498.23

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1.5x scale

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.