Home / 682,420.67-1,023,594.03-209,107.41

Finding the Fourth Proportional to 682,420.67, 1,023,594.03 and 209,107.41

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Solution

The fourth proportional to 682,420.67, 1,023,594.03 and 209,107.41 is: 313,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,420.67 : 1,023,594.03 = 209,107.41 : x
  2. Step 2: Convert to fraction form
    682,420.67/1,023,594.03 = 209,107.41/x
  3. Step 3: Cross multiply
    682,420.67x = 1,023,594.03 × 209,107.41
  4. Step 4: Simplify right side
    682,420.67x = 214,041,096,504.76
  5. Step 5: Solve for x
    x = 214,041,096,504.76/682,420.67
  6. Step 6: Final answer
    x = 313,649.79

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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.