Home / 379,010.37-522,974.83-217,835.29

Finding the Fourth Proportional to 379,010.37, 522,974.83 and 217,835.29

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Solution

The fourth proportional to 379,010.37, 522,974.83 and 217,835.29 is: 300,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,010.37 : 522,974.83 = 217,835.29 : x
  2. Step 2: Convert to fraction form
    379,010.37/522,974.83 = 217,835.29/x
  3. Step 3: Cross multiply
    379,010.37x = 522,974.83 × 217,835.29
  4. Step 4: Simplify right side
    379,010.37x = 113,922,373,755.75
  5. Step 5: Solve for x
    x = 113,922,373,755.75/379,010.37
  6. Step 6: Final answer
    x = 300,578.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.