Home / 801,422.45-1,202,265.09-380,556.17

Finding the Fourth Proportional to 801,422.45, 1,202,265.09 and 380,556.17

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Solution

The fourth proportional to 801,422.45, 1,202,265.09 and 380,556.17 is: 570,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,422.45 : 1,202,265.09 = 380,556.17 : x
  2. Step 2: Convert to fraction form
    801,422.45/1,202,265.09 = 380,556.17/x
  3. Step 3: Cross multiply
    801,422.45x = 1,202,265.09 × 380,556.17
  4. Step 4: Simplify right side
    801,422.45x = 457,529,391,963.78
  5. Step 5: Solve for x
    x = 457,529,391,963.78/801,422.45
  6. Step 6: Final answer
    x = 570,896.65

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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.