Home / 682,074.40-1,023,113.76-208,757.92

Finding the Fourth Proportional to 682,074.40, 1,023,113.76 and 208,757.92

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Solution

The fourth proportional to 682,074.40, 1,023,113.76 and 208,757.92 is: 313,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,074.40 : 1,023,113.76 = 208,757.92 : x
  2. Step 2: Convert to fraction form
    682,074.40/1,023,113.76 = 208,757.92/x
  3. Step 3: Cross multiply
    682,074.40x = 1,023,113.76 × 208,757.92
  4. Step 4: Simplify right side
    682,074.40x = 213,583,100,460.98
  5. Step 5: Solve for x
    x = 213,583,100,460.98/682,074.40
  6. Step 6: Final answer
    x = 313,137.54

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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.