Home / 815,923.44-1,223,884.94-254,957.94

Finding the Fourth Proportional to 815,923.44, 1,223,884.94 and 254,957.94

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Solution

The fourth proportional to 815,923.44, 1,223,884.94 and 254,957.94 is: 382,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,923.44 : 1,223,884.94 = 254,957.94 : x
  2. Step 2: Convert to fraction form
    815,923.44/1,223,884.94 = 254,957.94/x
  3. Step 3: Cross multiply
    815,923.44x = 1,223,884.94 × 254,957.94
  4. Step 4: Simplify right side
    815,923.44x = 312,039,181,824.63
  5. Step 5: Solve for x
    x = 312,039,181,824.63/815,923.44
  6. Step 6: Final answer
    x = 382,436.84

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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.