Home / 853,118.69-1,279,917.18-373,388.29

Finding the Fourth Proportional to 853,118.69, 1,279,917.18 and 373,388.29

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Solution

The fourth proportional to 853,118.69, 1,279,917.18 and 373,388.29 is: 560,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,118.69 : 1,279,917.18 = 373,388.29 : x
  2. Step 2: Convert to fraction form
    853,118.69/1,279,917.18 = 373,388.29/x
  3. Step 3: Cross multiply
    853,118.69x = 1,279,917.18 × 373,388.29
  4. Step 4: Simplify right side
    853,118.69x = 477,906,083,982.03
  5. Step 5: Solve for x
    x = 477,906,083,982.03/853,118.69
  6. Step 6: Final answer
    x = 560,187.10

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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.