Home / 705,238.76-1,058,278.26-255,994.58

Finding the Fourth Proportional to 705,238.76, 1,058,278.26 and 255,994.58

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Solution

The fourth proportional to 705,238.76, 1,058,278.26 and 255,994.58 is: 384,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,238.76 : 1,058,278.26 = 255,994.58 : x
  2. Step 2: Convert to fraction form
    705,238.76/1,058,278.26 = 255,994.58/x
  3. Step 3: Cross multiply
    705,238.76x = 1,058,278.26 × 255,994.58
  4. Step 4: Simplify right side
    705,238.76x = 270,913,498,691.83
  5. Step 5: Solve for x
    x = 270,913,498,691.83/705,238.76
  6. Step 6: Final answer
    x = 384,144.37

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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.