Home / 815,563.24-1,223,745.78-366,601.28

Finding the Fourth Proportional to 815,563.24, 1,223,745.78 and 366,601.28

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Solution

The fourth proportional to 815,563.24, 1,223,745.78 and 366,601.28 is: 550,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,563.24 : 1,223,745.78 = 366,601.28 : x
  2. Step 2: Convert to fraction form
    815,563.24/1,223,745.78 = 366,601.28/x
  3. Step 3: Cross multiply
    815,563.24x = 1,223,745.78 × 366,601.28
  4. Step 4: Simplify right side
    815,563.24x = 448,626,769,342.60
  5. Step 5: Solve for x
    x = 448,626,769,342.60/815,563.24
  6. Step 6: Final answer
    x = 550,082.14

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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.