Home / 952,082.44-1,428,128.56-321,001.72

Finding the Fourth Proportional to 952,082.44, 1,428,128.56 and 321,001.72

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Solution

The fourth proportional to 952,082.44, 1,428,128.56 and 321,001.72 is: 481,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,082.44 : 1,428,128.56 = 321,001.72 : x
  2. Step 2: Convert to fraction form
    952,082.44/1,428,128.56 = 321,001.72/x
  3. Step 3: Cross multiply
    952,082.44x = 1,428,128.56 × 321,001.72
  4. Step 4: Simplify right side
    952,082.44x = 458,431,724,141.12
  5. Step 5: Solve for x
    x = 458,431,724,141.12/952,082.44
  6. Step 6: Final answer
    x = 481,504.23

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Double scale
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Similar ratio
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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.