Home / 694,101.60-1,040,461.20-319,471.20

Finding the Fourth Proportional to 694,101.60, 1,040,461.20 and 319,471.20

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Solution

The fourth proportional to 694,101.60, 1,040,461.20 and 319,471.20 is: 478,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,101.60 : 1,040,461.20 = 319,471.20 : x
  2. Step 2: Convert to fraction form
    694,101.60/1,040,461.20 = 319,471.20/x
  3. Step 3: Cross multiply
    694,101.60x = 1,040,461.20 × 319,471.20
  4. Step 4: Simplify right side
    694,101.60x = 332,397,388,117.44
  5. Step 5: Solve for x
    x = 332,397,388,117.44/694,101.60
  6. Step 6: Final answer
    x = 478,888.66

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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.