Home / 436,922.10-655,383.15-259,337.70

Finding the Fourth Proportional to 436,922.10, 655,383.15 and 259,337.70

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Solution

The fourth proportional to 436,922.10, 655,383.15 and 259,337.70 is: 389,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,922.10 : 655,383.15 = 259,337.70 : x
  2. Step 2: Convert to fraction form
    436,922.10/655,383.15 = 259,337.70/x
  3. Step 3: Cross multiply
    436,922.10x = 655,383.15 × 259,337.70
  4. Step 4: Simplify right side
    436,922.10x = 169,965,558,739.76
  5. Step 5: Solve for x
    x = 169,965,558,739.76/436,922.10
  6. Step 6: Final answer
    x = 389,006.55

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Similar ratio
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1.5x scale

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.