Home / 789,327.57-1,183,917.55-220,759.51

Finding the Fourth Proportional to 789,327.57, 1,183,917.55 and 220,759.51

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Solution

The fourth proportional to 789,327.57, 1,183,917.55 and 220,759.51 is: 331,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,327.57 : 1,183,917.55 = 220,759.51 : x
  2. Step 2: Convert to fraction form
    789,327.57/1,183,917.55 = 220,759.51/x
  3. Step 3: Cross multiply
    789,327.57x = 1,183,917.55 × 220,759.51
  4. Step 4: Simplify right side
    789,327.57x = 261,361,058,218.40
  5. Step 5: Solve for x
    x = 261,361,058,218.40/789,327.57
  6. Step 6: Final answer
    x = 331,118.62

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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.