Home / 789,409.65-1,183,933.35-220,831.02

Finding the Fourth Proportional to 789,409.65, 1,183,933.35 and 220,831.02

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Solution

The fourth proportional to 789,409.65, 1,183,933.35 and 220,831.02 is: 331,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,409.65 : 1,183,933.35 = 220,831.02 : x
  2. Step 2: Convert to fraction form
    789,409.65/1,183,933.35 = 220,831.02/x
  3. Step 3: Cross multiply
    789,409.65x = 1,183,933.35 × 220,831.02
  4. Step 4: Simplify right side
    789,409.65x = 261,449,209,292.52
  5. Step 5: Solve for x
    x = 261,449,209,292.52/789,409.65
  6. Step 6: Final answer
    x = 331,195.86

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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.