Home / 809,085.33-1,213,759.62-303,686.01

Finding the Fourth Proportional to 809,085.33, 1,213,759.62 and 303,686.01

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Solution

The fourth proportional to 809,085.33, 1,213,759.62 and 303,686.01 is: 455,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,085.33 : 1,213,759.62 = 303,686.01 : x
  2. Step 2: Convert to fraction form
    809,085.33/1,213,759.62 = 303,686.01/x
  3. Step 3: Cross multiply
    809,085.33x = 1,213,759.62 × 303,686.01
  4. Step 4: Simplify right side
    809,085.33x = 368,601,816,096.92
  5. Step 5: Solve for x
    x = 368,601,816,096.92/809,085.33
  6. Step 6: Final answer
    x = 455,578.42

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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.