Home / 952,363.72-1,428,546.30-287,515.72

Finding the Fourth Proportional to 952,363.72, 1,428,546.30 and 287,515.72

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Solution

The fourth proportional to 952,363.72, 1,428,546.30 and 287,515.72 is: 431,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,363.72 : 1,428,546.30 = 287,515.72 : x
  2. Step 2: Convert to fraction form
    952,363.72/1,428,546.30 = 287,515.72/x
  3. Step 3: Cross multiply
    952,363.72x = 1,428,546.30 × 287,515.72
  4. Step 4: Simplify right side
    952,363.72x = 410,729,517,997.84
  5. Step 5: Solve for x
    x = 410,729,517,997.84/952,363.72
  6. Step 6: Final answer
    x = 431,273.80

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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.