Home / 715,229.54-1,072,832.16-378,198.26

Finding the Fourth Proportional to 715,229.54, 1,072,832.16 and 378,198.26

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Solution

The fourth proportional to 715,229.54, 1,072,832.16 and 378,198.26 is: 567,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,229.54 : 1,072,832.16 = 378,198.26 : x
  2. Step 2: Convert to fraction form
    715,229.54/1,072,832.16 = 378,198.26/x
  3. Step 3: Cross multiply
    715,229.54x = 1,072,832.16 × 378,198.26
  4. Step 4: Simplify right side
    715,229.54x = 405,743,256,184.04
  5. Step 5: Solve for x
    x = 405,743,256,184.04/715,229.54
  6. Step 6: Final answer
    x = 567,290.97

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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.