Home / 892,312.85-1,338,469.24-261,226.66

Finding the Fourth Proportional to 892,312.85, 1,338,469.24 and 261,226.66

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Solution

The fourth proportional to 892,312.85, 1,338,469.24 and 261,226.66 is: 391,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,312.85 : 1,338,469.24 = 261,226.66 : x
  2. Step 2: Convert to fraction form
    892,312.85/1,338,469.24 = 261,226.66/x
  3. Step 3: Cross multiply
    892,312.85x = 1,338,469.24 × 261,226.66
  4. Step 4: Simplify right side
    892,312.85x = 349,643,849,077.94
  5. Step 5: Solve for x
    x = 349,643,849,077.94/892,312.85
  6. Step 6: Final answer
    x = 391,839.98

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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.