Home / 455,093.40-682,086.60-322,012.02

Finding the Fourth Proportional to 455,093.40, 682,086.60 and 322,012.02

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Solution

The fourth proportional to 455,093.40, 682,086.60 and 322,012.02 is: 482,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,093.40 : 682,086.60 = 322,012.02 : x
  2. Step 2: Convert to fraction form
    455,093.40/682,086.60 = 322,012.02/x
  3. Step 3: Cross multiply
    455,093.40x = 682,086.60 × 322,012.02
  4. Step 4: Simplify right side
    455,093.40x = 219,640,083,880.93
  5. Step 5: Solve for x
    x = 219,640,083,880.93/455,093.40
  6. Step 6: Final answer
    x = 482,626.39

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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.