Home / 775,453.29-1,163,235.22-206,831.16

Finding the Fourth Proportional to 775,453.29, 1,163,235.22 and 206,831.16

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Solution

The fourth proportional to 775,453.29, 1,163,235.22 and 206,831.16 is: 310,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,453.29 : 1,163,235.22 = 206,831.16 : x
  2. Step 2: Convert to fraction form
    775,453.29/1,163,235.22 = 206,831.16/x
  3. Step 3: Cross multiply
    775,453.29x = 1,163,235.22 × 206,831.16
  4. Step 4: Simplify right side
    775,453.29x = 240,593,289,388.38
  5. Step 5: Solve for x
    x = 240,593,289,388.38/775,453.29
  6. Step 6: Final answer
    x = 310,261.49

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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.