Home / 892,377.42-1,338,590.70-261,291.30

Finding the Fourth Proportional to 892,377.42, 1,338,590.70 and 261,291.30

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Solution

The fourth proportional to 892,377.42, 1,338,590.70 and 261,291.30 is: 391,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,377.42 : 1,338,590.70 = 261,291.30 : x
  2. Step 2: Convert to fraction form
    892,377.42/1,338,590.70 = 261,291.30/x
  3. Step 3: Cross multiply
    892,377.42x = 1,338,590.70 × 261,291.30
  4. Step 4: Simplify right side
    892,377.42x = 349,762,104,170.91
  5. Step 5: Solve for x
    x = 349,762,104,170.91/892,377.42
  6. Step 6: Final answer
    x = 391,944.14

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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.