Home / 768,003.08-1,059,844.92-428,471.44

Finding the Fourth Proportional to 768,003.08, 1,059,844.92 and 428,471.44

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Solution

The fourth proportional to 768,003.08, 1,059,844.92 and 428,471.44 is: 591,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,003.08 : 1,059,844.92 = 428,471.44 : x
  2. Step 2: Convert to fraction form
    768,003.08/1,059,844.92 = 428,471.44/x
  3. Step 3: Cross multiply
    768,003.08x = 1,059,844.92 × 428,471.44
  4. Step 4: Simplify right side
    768,003.08x = 454,113,279,049.09
  5. Step 5: Solve for x
    x = 454,113,279,049.09/768,003.08
  6. Step 6: Final answer
    x = 591,290.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.