Home / 740,023.20-1,110,553.20-319,600.80

Finding the Fourth Proportional to 740,023.20, 1,110,553.20 and 319,600.80

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Solution

The fourth proportional to 740,023.20, 1,110,553.20 and 319,600.80 is: 479,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,023.20 : 1,110,553.20 = 319,600.80 : x
  2. Step 2: Convert to fraction form
    740,023.20/1,110,553.20 = 319,600.80/x
  3. Step 3: Cross multiply
    740,023.20x = 1,110,553.20 × 319,600.80
  4. Step 4: Simplify right side
    740,023.20x = 354,933,691,162.56
  5. Step 5: Solve for x
    x = 354,933,691,162.56/740,023.20
  6. Step 6: Final answer
    x = 479,625.09

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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.