Home / 664,493.10-996,837.45-215,064.60

Finding the Fourth Proportional to 664,493.10, 996,837.45 and 215,064.60

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Solution

The fourth proportional to 664,493.10, 996,837.45 and 215,064.60 is: 322,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,493.10 : 996,837.45 = 215,064.60 : x
  2. Step 2: Convert to fraction form
    664,493.10/996,837.45 = 215,064.60/x
  3. Step 3: Cross multiply
    664,493.10x = 996,837.45 × 215,064.60
  4. Step 4: Simplify right side
    664,493.10x = 214,384,447,449.27
  5. Step 5: Solve for x
    x = 214,384,447,449.27/664,493.10
  6. Step 6: Final answer
    x = 322,628.55

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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.