Home / 815,956.92-1,223,060.34-394,653.24

Finding the Fourth Proportional to 815,956.92, 1,223,060.34 and 394,653.24

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Solution

The fourth proportional to 815,956.92, 1,223,060.34 and 394,653.24 is: 591,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,956.92 : 1,223,060.34 = 394,653.24 : x
  2. Step 2: Convert to fraction form
    815,956.92/1,223,060.34 = 394,653.24/x
  3. Step 3: Cross multiply
    815,956.92x = 1,223,060.34 × 394,653.24
  4. Step 4: Simplify right side
    815,956.92x = 482,684,725,896.50
  5. Step 5: Solve for x
    x = 482,684,725,896.50/815,956.92
  6. Step 6: Final answer
    x = 591,556.63

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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.