Home / 664,822.60-996,942.30-265,330.60

Finding the Fourth Proportional to 664,822.60, 996,942.30 and 265,330.60

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Solution

The fourth proportional to 664,822.60, 996,942.30 and 265,330.60 is: 397,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,822.60 : 996,942.30 = 265,330.60 : x
  2. Step 2: Convert to fraction form
    664,822.60/996,942.30 = 265,330.60/x
  3. Step 3: Cross multiply
    664,822.60x = 996,942.30 × 265,330.60
  4. Step 4: Simplify right side
    664,822.60x = 264,519,298,624.38
  5. Step 5: Solve for x
    x = 264,519,298,624.38/664,822.60
  6. Step 6: Final answer
    x = 397,879.52

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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.