Home / 701,406.35-1,052,022.04-280,685.87

Finding the Fourth Proportional to 701,406.35, 1,052,022.04 and 280,685.87

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Solution

The fourth proportional to 701,406.35, 1,052,022.04 and 280,685.87 is: 420,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,406.35 : 1,052,022.04 = 280,685.87 : x
  2. Step 2: Convert to fraction form
    701,406.35/1,052,022.04 = 280,685.87/x
  3. Step 3: Cross multiply
    701,406.35x = 1,052,022.04 × 280,685.87
  4. Step 4: Simplify right side
    701,406.35x = 295,287,715,594.75
  5. Step 5: Solve for x
    x = 295,287,715,594.75/701,406.35
  6. Step 6: Final answer
    x = 420,993.79

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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.