Home / 853,100.88-1,279,890.45-373,370.49

Finding the Fourth Proportional to 853,100.88, 1,279,890.45 and 373,370.49

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Solution

The fourth proportional to 853,100.88, 1,279,890.45 and 373,370.49 is: 560,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,100.88 : 1,279,890.45 = 373,370.49 : x
  2. Step 2: Convert to fraction form
    853,100.88/1,279,890.45 = 373,370.49/x
  3. Step 3: Cross multiply
    853,100.88x = 1,279,890.45 × 373,370.49
  4. Step 4: Simplify right side
    853,100.88x = 477,873,324,462.82
  5. Step 5: Solve for x
    x = 477,873,324,462.82/853,100.88
  6. Step 6: Final answer
    x = 560,160.39

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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.