Home / 892,745.33-1,339,128.88-261,671.90

Finding the Fourth Proportional to 892,745.33, 1,339,128.88 and 261,671.90

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Solution

The fourth proportional to 892,745.33, 1,339,128.88 and 261,671.90 is: 392,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,745.33 : 1,339,128.88 = 261,671.90 : x
  2. Step 2: Convert to fraction form
    892,745.33/1,339,128.88 = 261,671.90/x
  3. Step 3: Cross multiply
    892,745.33x = 1,339,128.88 × 261,671.90
  4. Step 4: Simplify right side
    892,745.33x = 350,412,391,678.83
  5. Step 5: Solve for x
    x = 350,412,391,678.83/892,745.33
  6. Step 6: Final answer
    x = 392,511.04

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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.