Home / 809,388.93-1,213,798.32-269,498.64

Finding the Fourth Proportional to 809,388.93, 1,213,798.32 and 269,498.64

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Solution

The fourth proportional to 809,388.93, 1,213,798.32 and 269,498.64 is: 404,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,388.93 : 1,213,798.32 = 269,498.64 : x
  2. Step 2: Convert to fraction form
    809,388.93/1,213,798.32 = 269,498.64/x
  3. Step 3: Cross multiply
    809,388.93x = 1,213,798.32 × 269,498.64
  4. Step 4: Simplify right side
    809,388.93x = 327,116,996,474.29
  5. Step 5: Solve for x
    x = 327,116,996,474.29/809,388.93
  6. Step 6: Final answer
    x = 404,153.04

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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.