Home / 455,874.90-682,828.20-296,442.60

Finding the Fourth Proportional to 455,874.90, 682,828.20 and 296,442.60

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Solution

The fourth proportional to 455,874.90, 682,828.20 and 296,442.60 is: 444,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,874.90 : 682,828.20 = 296,442.60 : x
  2. Step 2: Convert to fraction form
    455,874.90/682,828.20 = 296,442.60/x
  3. Step 3: Cross multiply
    455,874.90x = 682,828.20 × 296,442.60
  4. Step 4: Simplify right side
    455,874.90x = 202,419,366,961.32
  5. Step 5: Solve for x
    x = 202,419,366,961.32/455,874.90
  6. Step 6: Final answer
    x = 444,023.93

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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.