Home / 800,920.64-1,201,349.78-295,262.85

Finding the Fourth Proportional to 800,920.64, 1,201,349.78 and 295,262.85

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Solution

The fourth proportional to 800,920.64, 1,201,349.78 and 295,262.85 is: 442,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,920.64 : 1,201,349.78 = 295,262.85 : x
  2. Step 2: Convert to fraction form
    800,920.64/1,201,349.78 = 295,262.85/x
  3. Step 3: Cross multiply
    800,920.64x = 1,201,349.78 × 295,262.85
  4. Step 4: Simplify right side
    800,920.64x = 354,713,964,025.66
  5. Step 5: Solve for x
    x = 354,713,964,025.66/800,920.64
  6. Step 6: Final answer
    x = 442,882.78

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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.