Home / 728,195.67-1,092,662.45-485,202.83

Finding the Fourth Proportional to 728,195.67, 1,092,662.45 and 485,202.83

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Solution

The fourth proportional to 728,195.67, 1,092,662.45 and 485,202.83 is: 728,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,195.67 : 1,092,662.45 = 485,202.83 : x
  2. Step 2: Convert to fraction form
    728,195.67/1,092,662.45 = 485,202.83/x
  3. Step 3: Cross multiply
    728,195.67x = 1,092,662.45 × 485,202.83
  4. Step 4: Simplify right side
    728,195.67x = 530,162,912,974.73
  5. Step 5: Solve for x
    x = 530,162,912,974.73/728,195.67
  6. Step 6: Final answer
    x = 728,050.08

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Double scale
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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.