Home / 682,133.70-1,023,200.55-208,757.55

Finding the Fourth Proportional to 682,133.70, 1,023,200.55 and 208,757.55

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Solution

The fourth proportional to 682,133.70, 1,023,200.55 and 208,757.55 is: 313,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,133.70 : 1,023,200.55 = 208,757.55 : x
  2. Step 2: Convert to fraction form
    682,133.70/1,023,200.55 = 208,757.55/x
  3. Step 3: Cross multiply
    682,133.70x = 1,023,200.55 × 208,757.55
  4. Step 4: Simplify right side
    682,133.70x = 213,600,839,976.65
  5. Step 5: Solve for x
    x = 213,600,839,976.65/682,133.70
  6. Step 6: Final answer
    x = 313,136.33

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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.