Home / 682,453.80-1,023,680.70-209,077.65

Finding the Fourth Proportional to 682,453.80, 1,023,680.70 and 209,077.65

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Solution

The fourth proportional to 682,453.80, 1,023,680.70 and 209,077.65 is: 313,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,453.80 : 1,023,680.70 = 209,077.65 : x
  2. Step 2: Convert to fraction form
    682,453.80/1,023,680.70 = 209,077.65/x
  3. Step 3: Cross multiply
    682,453.80x = 1,023,680.70 × 209,077.65
  4. Step 4: Simplify right side
    682,453.80x = 214,028,755,106.36
  5. Step 5: Solve for x
    x = 214,028,755,106.36/682,453.80
  6. Step 6: Final answer
    x = 313,616.48

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Double scale
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Similar ratio
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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.