Home / 835,707.38-1,253,734.41-380,081.57

Finding the Fourth Proportional to 835,707.38, 1,253,734.41 and 380,081.57

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Solution

The fourth proportional to 835,707.38, 1,253,734.41 and 380,081.57 is: 570,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,707.38 : 1,253,734.41 = 380,081.57 : x
  2. Step 2: Convert to fraction form
    835,707.38/1,253,734.41 = 380,081.57/x
  3. Step 3: Cross multiply
    835,707.38x = 1,253,734.41 × 380,081.57
  4. Step 4: Simplify right side
    835,707.38x = 476,521,342,915.82
  5. Step 5: Solve for x
    x = 476,521,342,915.82/835,707.38
  6. Step 6: Final answer
    x = 570,201.19

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1.5x scale

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.