Home / 693,740.66-1,040,596.35-319,763.66

Finding the Fourth Proportional to 693,740.66, 1,040,596.35 and 319,763.66

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Solution

The fourth proportional to 693,740.66, 1,040,596.35 and 319,763.66 is: 479,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,740.66 : 1,040,596.35 = 319,763.66 : x
  2. Step 2: Convert to fraction form
    693,740.66/1,040,596.35 = 319,763.66/x
  3. Step 3: Cross multiply
    693,740.66x = 1,040,596.35 × 319,763.66
  4. Step 4: Simplify right side
    693,740.66x = 332,744,897,458.64
  5. Step 5: Solve for x
    x = 332,744,897,458.64/693,740.66
  6. Step 6: Final answer
    x = 479,638.74

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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.