Home / 455,846.40-682,785.45-296,414.10

Finding the Fourth Proportional to 455,846.40, 682,785.45 and 296,414.10

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Solution

The fourth proportional to 455,846.40, 682,785.45 and 296,414.10 is: 443,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,846.40 : 682,785.45 = 296,414.10 : x
  2. Step 2: Convert to fraction form
    455,846.40/682,785.45 = 296,414.10/x
  3. Step 3: Cross multiply
    455,846.40x = 682,785.45 × 296,414.10
  4. Step 4: Simplify right side
    455,846.40x = 202,387,234,654.85
  5. Step 5: Solve for x
    x = 202,387,234,654.85/455,846.40
  6. Step 6: Final answer
    x = 443,981.21

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1.5x scale

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.