Home / 892,178.80-1,338,138.60-261,026.80

Finding the Fourth Proportional to 892,178.80, 1,338,138.60 and 261,026.80

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Solution

The fourth proportional to 892,178.80, 1,338,138.60 and 261,026.80 is: 391,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,178.80 : 1,338,138.60 = 261,026.80 : x
  2. Step 2: Convert to fraction form
    892,178.80/1,338,138.60 = 261,026.80/x
  3. Step 3: Cross multiply
    892,178.80x = 1,338,138.60 × 261,026.80
  4. Step 4: Simplify right side
    892,178.80x = 349,290,036,714.48
  5. Step 5: Solve for x
    x = 349,290,036,714.48/892,178.80
  6. Step 6: Final answer
    x = 391,502.28

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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.