Home / 503,414.28-694,555.26-285,587.04

Finding the Fourth Proportional to 503,414.28, 694,555.26 and 285,587.04

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Solution

The fourth proportional to 503,414.28, 694,555.26 and 285,587.04 is: 394,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,414.28 : 694,555.26 = 285,587.04 : x
  2. Step 2: Convert to fraction form
    503,414.28/694,555.26 = 285,587.04/x
  3. Step 3: Cross multiply
    503,414.28x = 694,555.26 × 285,587.04
  4. Step 4: Simplify right side
    503,414.28x = 198,355,980,819.83
  5. Step 5: Solve for x
    x = 198,355,980,819.83/503,414.28
  6. Step 6: Final answer
    x = 394,021.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.