Home / 667,379.80-1,001,069.70-541,408.60

Finding the Fourth Proportional to 667,379.80, 1,001,069.70 and 541,408.60

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Solution

The fourth proportional to 667,379.80, 1,001,069.70 and 541,408.60 is: 812,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,379.80 : 1,001,069.70 = 541,408.60 : x
  2. Step 2: Convert to fraction form
    667,379.80/1,001,069.70 = 541,408.60/x
  3. Step 3: Cross multiply
    667,379.80x = 1,001,069.70 × 541,408.60
  4. Step 4: Simplify right side
    667,379.80x = 541,987,744,779.42
  5. Step 5: Solve for x
    x = 541,987,744,779.42/667,379.80
  6. Step 6: Final answer
    x = 812,112.90

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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.