Home / 892,177.80-1,338,137.10-261,025.80

Finding the Fourth Proportional to 892,177.80, 1,338,137.10 and 261,025.80

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Solution

The fourth proportional to 892,177.80, 1,338,137.10 and 261,025.80 is: 391,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,177.80 : 1,338,137.10 = 261,025.80 : x
  2. Step 2: Convert to fraction form
    892,177.80/1,338,137.10 = 261,025.80/x
  3. Step 3: Cross multiply
    892,177.80x = 1,338,137.10 × 261,025.80
  4. Step 4: Simplify right side
    892,177.80x = 349,288,307,037.18
  5. Step 5: Solve for x
    x = 349,288,307,037.18/892,177.80
  6. Step 6: Final answer
    x = 391,500.78

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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.