Home / 724,911.62-1,086,950.72-298,741.65

Finding the Fourth Proportional to 724,911.62, 1,086,950.72 and 298,741.65

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Solution

The fourth proportional to 724,911.62, 1,086,950.72 and 298,741.65 is: 447,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,911.62 : 1,086,950.72 = 298,741.65 : x
  2. Step 2: Convert to fraction form
    724,911.62/1,086,950.72 = 298,741.65/x
  3. Step 3: Cross multiply
    724,911.62x = 1,086,950.72 × 298,741.65
  4. Step 4: Simplify right side
    724,911.62x = 324,717,450,067.78
  5. Step 5: Solve for x
    x = 324,717,450,067.78/724,911.62
  6. Step 6: Final answer
    x = 447,940.75

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1.5x scale

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.