Home / 892,308.22-1,338,462.30-261,222.04

Finding the Fourth Proportional to 892,308.22, 1,338,462.30 and 261,222.04

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Solution

The fourth proportional to 892,308.22, 1,338,462.30 and 261,222.04 is: 391,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,308.22 : 1,338,462.30 = 261,222.04 : x
  2. Step 2: Convert to fraction form
    892,308.22/1,338,462.30 = 261,222.04/x
  3. Step 3: Cross multiply
    892,308.22x = 1,338,462.30 × 261,222.04
  4. Step 4: Simplify right side
    892,308.22x = 349,635,845,776.78
  5. Step 5: Solve for x
    x = 349,635,845,776.78/892,308.22
  6. Step 6: Final answer
    x = 391,833.04

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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.