Home / 682,645.44-1,023,929.88-209,329.50

Finding the Fourth Proportional to 682,645.44, 1,023,929.88 and 209,329.50

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Solution

The fourth proportional to 682,645.44, 1,023,929.88 and 209,329.50 is: 313,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,645.44 : 1,023,929.88 = 209,329.50 : x
  2. Step 2: Convert to fraction form
    682,645.44/1,023,929.88 = 209,329.50/x
  3. Step 3: Cross multiply
    682,645.44x = 1,023,929.88 × 209,329.50
  4. Step 4: Simplify right side
    682,645.44x = 214,338,729,815.46
  5. Step 5: Solve for x
    x = 214,338,729,815.46/682,645.44
  6. Step 6: Final answer
    x = 313,982.51

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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.