Home / 455,918.90-682,894.20-296,486.60

Finding the Fourth Proportional to 455,918.90, 682,894.20 and 296,486.60

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Solution

The fourth proportional to 455,918.90, 682,894.20 and 296,486.60 is: 444,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,918.90 : 682,894.20 = 296,486.60 : x
  2. Step 2: Convert to fraction form
    455,918.90/682,894.20 = 296,486.60/x
  3. Step 3: Cross multiply
    455,918.90x = 682,894.20 × 296,486.60
  4. Step 4: Simplify right side
    455,918.90x = 202,468,979,517.72
  5. Step 5: Solve for x
    x = 202,468,979,517.72/455,918.90
  6. Step 6: Final answer
    x = 444,089.90

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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.