Home / 789,328.57-1,183,919.05-220,760.51

Finding the Fourth Proportional to 789,328.57, 1,183,919.05 and 220,760.51

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Solution

The fourth proportional to 789,328.57, 1,183,919.05 and 220,760.51 is: 331,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,328.57 : 1,183,919.05 = 220,760.51 : x
  2. Step 2: Convert to fraction form
    789,328.57/1,183,919.05 = 220,760.51/x
  3. Step 3: Cross multiply
    789,328.57x = 1,183,919.05 × 220,760.51
  4. Step 4: Simplify right side
    789,328.57x = 261,362,573,276.72
  5. Step 5: Solve for x
    x = 261,362,573,276.72/789,328.57
  6. Step 6: Final answer
    x = 331,120.12

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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.