Home / 693,587.55-1,040,366.75-319,610.55

Finding the Fourth Proportional to 693,587.55, 1,040,366.75 and 319,610.55

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Solution

The fourth proportional to 693,587.55, 1,040,366.75 and 319,610.55 is: 479,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,587.55 : 1,040,366.75 = 319,610.55 : x
  2. Step 2: Convert to fraction form
    693,587.55/1,040,366.75 = 319,610.55/x
  3. Step 3: Cross multiply
    693,587.55x = 1,040,366.75 × 319,610.55
  4. Step 4: Simplify right side
    693,587.55x = 332,512,187,571.16
  5. Step 5: Solve for x
    x = 332,512,187,571.16/693,587.55
  6. Step 6: Final answer
    x = 479,409.11

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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.