Home / 851,837.44-1,278,002.66-275,448.43

Finding the Fourth Proportional to 851,837.44, 1,278,002.66 and 275,448.43

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Solution

The fourth proportional to 851,837.44, 1,278,002.66 and 275,448.43 is: 413,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,837.44 : 1,278,002.66 = 275,448.43 : x
  2. Step 2: Convert to fraction form
    851,837.44/1,278,002.66 = 275,448.43/x
  3. Step 3: Cross multiply
    851,837.44x = 1,278,002.66 × 275,448.43
  4. Step 4: Simplify right side
    851,837.44x = 352,023,826,232.82
  5. Step 5: Solve for x
    x = 352,023,826,232.82/851,837.44
  6. Step 6: Final answer
    x = 413,252.35

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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.