Home / 809,479.63-1,214,202.70-269,775.06

Finding the Fourth Proportional to 809,479.63, 1,214,202.70 and 269,775.06

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Solution

The fourth proportional to 809,479.63, 1,214,202.70 and 269,775.06 is: 404,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,479.63 : 1,214,202.70 = 269,775.06 : x
  2. Step 2: Convert to fraction form
    809,479.63/1,214,202.70 = 269,775.06/x
  3. Step 3: Cross multiply
    809,479.63x = 1,214,202.70 × 269,775.06
  4. Step 4: Simplify right side
    809,479.63x = 327,561,606,244.66
  5. Step 5: Solve for x
    x = 327,561,606,244.66/809,479.63
  6. Step 6: Final answer
    x = 404,657.01

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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.