Home / 733,993.92-1,013,126.40-479,383.92

Finding the Fourth Proportional to 733,993.92, 1,013,126.40 and 479,383.92

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Solution

The fourth proportional to 733,993.92, 1,013,126.40 and 479,383.92 is: 661,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,993.92 : 1,013,126.40 = 479,383.92 : x
  2. Step 2: Convert to fraction form
    733,993.92/1,013,126.40 = 479,383.92/x
  3. Step 3: Cross multiply
    733,993.92x = 1,013,126.40 × 479,383.92
  4. Step 4: Simplify right side
    733,993.92x = 485,676,505,087.49
  5. Step 5: Solve for x
    x = 485,676,505,087.49/733,993.92
  6. Step 6: Final answer
    x = 661,690.09

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.