Home / 804,743.56-1,207,115.78-299,238.85

Finding the Fourth Proportional to 804,743.56, 1,207,115.78 and 299,238.85

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Solution

The fourth proportional to 804,743.56, 1,207,115.78 and 299,238.85 is: 448,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,743.56 : 1,207,115.78 = 299,238.85 : x
  2. Step 2: Convert to fraction form
    804,743.56/1,207,115.78 = 299,238.85/x
  3. Step 3: Cross multiply
    804,743.56x = 1,207,115.78 × 299,238.85
  4. Step 4: Simplify right side
    804,743.56x = 361,215,937,824.05
  5. Step 5: Solve for x
    x = 361,215,937,824.05/804,743.56
  6. Step 6: Final answer
    x = 448,858.44

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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.