Home / 850,610.35-1,275,873.13-318,092.23

Finding the Fourth Proportional to 850,610.35, 1,275,873.13 and 318,092.23

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Solution

The fourth proportional to 850,610.35, 1,275,873.13 and 318,092.23 is: 477,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,610.35 : 1,275,873.13 = 318,092.23 : x
  2. Step 2: Convert to fraction form
    850,610.35/1,275,873.13 = 318,092.23/x
  3. Step 3: Cross multiply
    850,610.35x = 1,275,873.13 × 318,092.23
  4. Step 4: Simplify right side
    850,610.35x = 405,845,329,118.78
  5. Step 5: Solve for x
    x = 405,845,329,118.78/850,610.35
  6. Step 6: Final answer
    x = 477,122.49

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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.