Home / 705,122.82-1,058,104.52-255,878.75

Finding the Fourth Proportional to 705,122.82, 1,058,104.52 and 255,878.75

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Solution

The fourth proportional to 705,122.82, 1,058,104.52 and 255,878.75 is: 383,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,122.82 : 1,058,104.52 = 255,878.75 : x
  2. Step 2: Convert to fraction form
    705,122.82/1,058,104.52 = 255,878.75/x
  3. Step 3: Cross multiply
    705,122.82x = 1,058,104.52 × 255,878.75
  4. Step 4: Simplify right side
    705,122.82x = 270,746,455,377.03
  5. Step 5: Solve for x
    x = 270,746,455,377.03/705,122.82
  6. Step 6: Final answer
    x = 383,970.63

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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.