Home / 740,064.96-1,110,540.30-319,340.82

Finding the Fourth Proportional to 740,064.96, 1,110,540.30 and 319,340.82

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Solution

The fourth proportional to 740,064.96, 1,110,540.30 and 319,340.82 is: 479,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,064.96 : 1,110,540.30 = 319,340.82 : x
  2. Step 2: Convert to fraction form
    740,064.96/1,110,540.30 = 319,340.82/x
  3. Step 3: Cross multiply
    740,064.96x = 1,110,540.30 × 319,340.82
  4. Step 4: Simplify right side
    740,064.96x = 354,640,850,045.05
  5. Step 5: Solve for x
    x = 354,640,850,045.05/740,064.96
  6. Step 6: Final answer
    x = 479,202.33

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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.