Home / 852,998.55-1,279,678.25-320,524.18

Finding the Fourth Proportional to 852,998.55, 1,279,678.25 and 320,524.18

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Solution

The fourth proportional to 852,998.55, 1,279,678.25 and 320,524.18 is: 480,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,998.55 : 1,279,678.25 = 320,524.18 : x
  2. Step 2: Convert to fraction form
    852,998.55/1,279,678.25 = 320,524.18/x
  3. Step 3: Cross multiply
    852,998.55x = 1,279,678.25 × 320,524.18
  4. Step 4: Simplify right side
    852,998.55x = 410,167,821,745.09
  5. Step 5: Solve for x
    x = 410,167,821,745.09/852,998.55
  6. Step 6: Final answer
    x = 480,854.07

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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.