Home / 789,190.82-1,183,788.69-220,568.15

Finding the Fourth Proportional to 789,190.82, 1,183,788.69 and 220,568.15

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Solution

The fourth proportional to 789,190.82, 1,183,788.69 and 220,568.15 is: 330,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,190.82 : 1,183,788.69 = 220,568.15 : x
  2. Step 2: Convert to fraction form
    789,190.82/1,183,788.69 = 220,568.15/x
  3. Step 3: Cross multiply
    789,190.82x = 1,183,788.69 × 220,568.15
  4. Step 4: Simplify right side
    789,190.82x = 261,106,075,425.28
  5. Step 5: Solve for x
    x = 261,106,075,425.28/789,190.82
  6. Step 6: Final answer
    x = 330,852.91

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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.