Home / 862,142.45-1,293,213.69-263,106.68

Finding the Fourth Proportional to 862,142.45, 1,293,213.69 and 263,106.68

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Solution

The fourth proportional to 862,142.45, 1,293,213.69 and 263,106.68 is: 394,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,142.45 : 1,293,213.69 = 263,106.68 : x
  2. Step 2: Convert to fraction form
    862,142.45/1,293,213.69 = 263,106.68/x
  3. Step 3: Cross multiply
    862,142.45x = 1,293,213.69 × 263,106.68
  4. Step 4: Simplify right side
    862,142.45x = 340,253,160,506.45
  5. Step 5: Solve for x
    x = 340,253,160,506.45/862,142.45
  6. Step 6: Final answer
    x = 394,660.02

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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.