Home / 664,460.70-996,836.85-215,105.10

Finding the Fourth Proportional to 664,460.70, 996,836.85 and 215,105.10

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Solution

The fourth proportional to 664,460.70, 996,836.85 and 215,105.10 is: 322,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,460.70 : 996,836.85 = 215,105.10 : x
  2. Step 2: Convert to fraction form
    664,460.70/996,836.85 = 215,105.10/x
  3. Step 3: Cross multiply
    664,460.70x = 996,836.85 × 215,105.10
  4. Step 4: Simplify right side
    664,460.70x = 214,424,690,302.94
  5. Step 5: Solve for x
    x = 214,424,690,302.94/664,460.70
  6. Step 6: Final answer
    x = 322,704.85

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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.