Home / 837,964.82-1,256,949.80-206,878.70

Finding the Fourth Proportional to 837,964.82, 1,256,949.80 and 206,878.70

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Solution

The fourth proportional to 837,964.82, 1,256,949.80 and 206,878.70 is: 310,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,964.82 : 1,256,949.80 = 206,878.70 : x
  2. Step 2: Convert to fraction form
    837,964.82/1,256,949.80 = 206,878.70/x
  3. Step 3: Cross multiply
    837,964.82x = 1,256,949.80 × 206,878.70
  4. Step 4: Simplify right side
    837,964.82x = 260,036,140,589.26
  5. Step 5: Solve for x
    x = 260,036,140,589.26/837,964.82
  6. Step 6: Final answer
    x = 310,318.68

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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.