Home / 800,500.25-1,201,221.82-295,416.65

Finding the Fourth Proportional to 800,500.25, 1,201,221.82 and 295,416.65

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Solution

The fourth proportional to 800,500.25, 1,201,221.82 and 295,416.65 is: 443,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,500.25 : 1,201,221.82 = 295,416.65 : x
  2. Step 2: Convert to fraction form
    800,500.25/1,201,221.82 = 295,416.65/x
  3. Step 3: Cross multiply
    800,500.25x = 1,201,221.82 × 295,416.65
  4. Step 4: Simplify right side
    800,500.25x = 354,860,925,971.30
  5. Step 5: Solve for x
    x = 354,860,925,971.30/800,500.25
  6. Step 6: Final answer
    x = 443,298.96

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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.