Home / 853,245.68-1,279,868.52-254,191.38

Finding the Fourth Proportional to 853,245.68, 1,279,868.52 and 254,191.38

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Solution

The fourth proportional to 853,245.68, 1,279,868.52 and 254,191.38 is: 381,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,245.68 : 1,279,868.52 = 254,191.38 : x
  2. Step 2: Convert to fraction form
    853,245.68/1,279,868.52 = 254,191.38/x
  3. Step 3: Cross multiply
    853,245.68x = 1,279,868.52 × 254,191.38
  4. Step 4: Simplify right side
    853,245.68x = 325,331,545,317.36
  5. Step 5: Solve for x
    x = 325,331,545,317.36/853,245.68
  6. Step 6: Final answer
    x = 381,287.07

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Similar ratio
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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.