Home / 708,832.80-1,063,249.20-259,404.30

Finding the Fourth Proportional to 708,832.80, 1,063,249.20 and 259,404.30

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Solution

The fourth proportional to 708,832.80, 1,063,249.20 and 259,404.30 is: 389,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,832.80 : 1,063,249.20 = 259,404.30 : x
  2. Step 2: Convert to fraction form
    708,832.80/1,063,249.20 = 259,404.30/x
  3. Step 3: Cross multiply
    708,832.80x = 1,063,249.20 × 259,404.30
  4. Step 4: Simplify right side
    708,832.80x = 275,811,414,451.56
  5. Step 5: Solve for x
    x = 275,811,414,451.56/708,832.80
  6. Step 6: Final answer
    x = 389,106.45

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Similar ratio
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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.