Home / 815,942.88-1,223,914.08-254,977.44

Finding the Fourth Proportional to 815,942.88, 1,223,914.08 and 254,977.44

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Solution

The fourth proportional to 815,942.88, 1,223,914.08 and 254,977.44 is: 382,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,942.88 : 1,223,914.08 = 254,977.44 : x
  2. Step 2: Convert to fraction form
    815,942.88/1,223,914.08 = 254,977.44/x
  3. Step 3: Cross multiply
    815,942.88x = 1,223,914.08 × 254,977.44
  4. Step 4: Simplify right side
    815,942.88x = 312,070,478,898.36
  5. Step 5: Solve for x
    x = 312,070,478,898.36/815,942.88
  6. Step 6: Final answer
    x = 382,466.09

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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.