Home / 930,922.20-1,396,383.30-331,902.90

Finding the Fourth Proportional to 930,922.20, 1,396,383.30 and 331,902.90

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Solution

The fourth proportional to 930,922.20, 1,396,383.30 and 331,902.90 is: 497,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,922.20 : 1,396,383.30 = 331,902.90 : x
  2. Step 2: Convert to fraction form
    930,922.20/1,396,383.30 = 331,902.90/x
  3. Step 3: Cross multiply
    930,922.20x = 1,396,383.30 × 331,902.90
  4. Step 4: Simplify right side
    930,922.20x = 463,463,666,781.57
  5. Step 5: Solve for x
    x = 463,463,666,781.57/930,922.20
  6. Step 6: Final answer
    x = 497,854.35

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Double scale
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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.