Home / 775,399.51-1,163,154.74-206,777.59

Finding the Fourth Proportional to 775,399.51, 1,163,154.74 and 206,777.59

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Solution

The fourth proportional to 775,399.51, 1,163,154.74 and 206,777.59 is: 310,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,399.51 : 1,163,154.74 = 206,777.59 : x
  2. Step 2: Convert to fraction form
    775,399.51/1,163,154.74 = 206,777.59/x
  3. Step 3: Cross multiply
    775,399.51x = 1,163,154.74 × 206,777.59
  4. Step 4: Simplify right side
    775,399.51x = 240,514,332,900.39
  5. Step 5: Solve for x
    x = 240,514,332,900.39/775,399.51
  6. Step 6: Final answer
    x = 310,181.18

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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.