Home / 693,771.44-1,040,642.34-319,794.44

Finding the Fourth Proportional to 693,771.44, 1,040,642.34 and 319,794.44

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Solution

The fourth proportional to 693,771.44, 1,040,642.34 and 319,794.44 is: 479,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,771.44 : 1,040,642.34 = 319,794.44 : x
  2. Step 2: Convert to fraction form
    693,771.44/1,040,642.34 = 319,794.44/x
  3. Step 3: Cross multiply
    693,771.44x = 1,040,642.34 × 319,794.44
  4. Step 4: Simplify right side
    693,771.44x = 332,791,634,360.59
  5. Step 5: Solve for x
    x = 332,791,634,360.59/693,771.44
  6. Step 6: Final answer
    x = 479,684.83

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1.5x scale

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.