Home / 835,708.38-1,253,414.43-380,193.81

Finding the Fourth Proportional to 835,708.38, 1,253,414.43 and 380,193.81

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Solution

The fourth proportional to 835,708.38, 1,253,414.43 and 380,193.81 is: 570,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,708.38 : 1,253,414.43 = 380,193.81 : x
  2. Step 2: Convert to fraction form
    835,708.38/1,253,414.43 = 380,193.81/x
  3. Step 3: Cross multiply
    835,708.38x = 1,253,414.43 × 380,193.81
  4. Step 4: Simplify right side
    835,708.38x = 476,540,407,650.68
  5. Step 5: Solve for x
    x = 476,540,407,650.68/835,708.38
  6. Step 6: Final answer
    x = 570,223.32

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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.