Home / 540,626.11-746,049.18-298,918.87

Finding the Fourth Proportional to 540,626.11, 746,049.18 and 298,918.87

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Solution

The fourth proportional to 540,626.11, 746,049.18 and 298,918.87 is: 412,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,626.11 : 746,049.18 = 298,918.87 : x
  2. Step 2: Convert to fraction form
    540,626.11/746,049.18 = 298,918.87/x
  3. Step 3: Cross multiply
    540,626.11x = 746,049.18 × 298,918.87
  4. Step 4: Simplify right side
    540,626.11x = 223,008,177,850.03
  5. Step 5: Solve for x
    x = 223,008,177,850.03/540,626.11
  6. Step 6: Final answer
    x = 412,499.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.