Home / 892,299.85-1,338,449.74-261,213.66

Finding the Fourth Proportional to 892,299.85, 1,338,449.74 and 261,213.66

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Solution

The fourth proportional to 892,299.85, 1,338,449.74 and 261,213.66 is: 391,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,299.85 : 1,338,449.74 = 261,213.66 : x
  2. Step 2: Convert to fraction form
    892,299.85/1,338,449.74 = 261,213.66/x
  3. Step 3: Cross multiply
    892,299.85x = 1,338,449.74 × 261,213.66
  4. Step 4: Simplify right side
    892,299.85x = 349,621,354,658.41
  5. Step 5: Solve for x
    x = 349,621,354,658.41/892,299.85
  6. Step 6: Final answer
    x = 391,820.48

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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.