Home / 775,223.46-1,163,010.69-269,808.30

Finding the Fourth Proportional to 775,223.46, 1,163,010.69 and 269,808.30

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Solution

The fourth proportional to 775,223.46, 1,163,010.69 and 269,808.30 is: 404,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,223.46 : 1,163,010.69 = 269,808.30 : x
  2. Step 2: Convert to fraction form
    775,223.46/1,163,010.69 = 269,808.30/x
  3. Step 3: Cross multiply
    775,223.46x = 1,163,010.69 × 269,808.30
  4. Step 4: Simplify right side
    775,223.46x = 313,789,937,150.73
  5. Step 5: Solve for x
    x = 313,789,937,150.73/775,223.46
  6. Step 6: Final answer
    x = 404,773.53

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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.