Home / 862,394.20-1,293,785.22-263,305.24

Finding the Fourth Proportional to 862,394.20, 1,293,785.22 and 263,305.24

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Solution

The fourth proportional to 862,394.20, 1,293,785.22 and 263,305.24 is: 395,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,394.20 : 1,293,785.22 = 263,305.24 : x
  2. Step 2: Convert to fraction form
    862,394.20/1,293,785.22 = 263,305.24/x
  3. Step 3: Cross multiply
    862,394.20x = 1,293,785.22 × 263,305.24
  4. Step 4: Simplify right side
    862,394.20x = 340,660,427,860.55
  5. Step 5: Solve for x
    x = 340,660,427,860.55/862,394.20
  6. Step 6: Final answer
    x = 395,017.07

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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.