Home / 800,499.25-1,201,220.32-295,415.65

Finding the Fourth Proportional to 800,499.25, 1,201,220.32 and 295,415.65

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Solution

The fourth proportional to 800,499.25, 1,201,220.32 and 295,415.65 is: 443,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,499.25 : 1,201,220.32 = 295,415.65 : x
  2. Step 2: Convert to fraction form
    800,499.25/1,201,220.32 = 295,415.65/x
  3. Step 3: Cross multiply
    800,499.25x = 1,201,220.32 × 295,415.65
  4. Step 4: Simplify right side
    800,499.25x = 354,859,281,626.01
  5. Step 5: Solve for x
    x = 354,859,281,626.01/800,499.25
  6. Step 6: Final answer
    x = 443,297.46

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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.