Home / 911,999.22-1,367,260.91-379,919.94

Finding the Fourth Proportional to 911,999.22, 1,367,260.91 and 379,919.94

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Solution

The fourth proportional to 911,999.22, 1,367,260.91 and 379,919.94 is: 569,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,999.22 : 1,367,260.91 = 379,919.94 : x
  2. Step 2: Convert to fraction form
    911,999.22/1,367,260.91 = 379,919.94/x
  3. Step 3: Cross multiply
    911,999.22x = 1,367,260.91 × 379,919.94
  4. Step 4: Simplify right side
    911,999.22x = 519,449,682,891.55
  5. Step 5: Solve for x
    x = 519,449,682,891.55/911,999.22
  6. Step 6: Final answer
    x = 569,572.51

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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.