Home / 775,227.34-1,163,016.51-269,812.18

Finding the Fourth Proportional to 775,227.34, 1,163,016.51 and 269,812.18

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Solution

The fourth proportional to 775,227.34, 1,163,016.51 and 269,812.18 is: 404,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,227.34 : 1,163,016.51 = 269,812.18 : x
  2. Step 2: Convert to fraction form
    775,227.34/1,163,016.51 = 269,812.18/x
  3. Step 3: Cross multiply
    775,227.34x = 1,163,016.51 × 269,812.18
  4. Step 4: Simplify right side
    775,227.34x = 313,796,012,774.95
  5. Step 5: Solve for x
    x = 313,796,012,774.95/775,227.34
  6. Step 6: Final answer
    x = 404,779.34

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Double scale
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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.