Home / 724,327.72-1,086,679.88-275,051.08

Finding the Fourth Proportional to 724,327.72, 1,086,679.88 and 275,051.08

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Solution

The fourth proportional to 724,327.72, 1,086,679.88 and 275,051.08 is: 412,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,327.72 : 1,086,679.88 = 275,051.08 : x
  2. Step 2: Convert to fraction form
    724,327.72/1,086,679.88 = 275,051.08/x
  3. Step 3: Cross multiply
    724,327.72x = 1,086,679.88 × 275,051.08
  4. Step 4: Simplify right side
    724,327.72x = 298,892,474,608.27
  5. Step 5: Solve for x
    x = 298,892,474,608.27/724,327.72
  6. Step 6: Final answer
    x = 412,648.12

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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.