Home / 892,377.92-1,338,591.45-261,291.80

Finding the Fourth Proportional to 892,377.92, 1,338,591.45 and 261,291.80

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Solution

The fourth proportional to 892,377.92, 1,338,591.45 and 261,291.80 is: 391,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,377.92 : 1,338,591.45 = 261,291.80 : x
  2. Step 2: Convert to fraction form
    892,377.92/1,338,591.45 = 261,291.80/x
  3. Step 3: Cross multiply
    892,377.92x = 1,338,591.45 × 261,291.80
  4. Step 4: Simplify right side
    892,377.92x = 349,762,969,435.11
  5. Step 5: Solve for x
    x = 349,762,969,435.11/892,377.92
  6. Step 6: Final answer
    x = 391,944.89

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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.