Home / 827,093.70-1,240,640.55-295,215.30

Finding the Fourth Proportional to 827,093.70, 1,240,640.55 and 295,215.30

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Solution

The fourth proportional to 827,093.70, 1,240,640.55 and 295,215.30 is: 442,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,093.70 : 1,240,640.55 = 295,215.30 : x
  2. Step 2: Convert to fraction form
    827,093.70/1,240,640.55 = 295,215.30/x
  3. Step 3: Cross multiply
    827,093.70x = 1,240,640.55 × 295,215.30
  4. Step 4: Simplify right side
    827,093.70x = 366,256,072,160.42
  5. Step 5: Solve for x
    x = 366,256,072,160.42/827,093.70
  6. Step 6: Final answer
    x = 442,822.95

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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.