Home / 809,843.32-1,117,563.48-442,305.24

Finding the Fourth Proportional to 809,843.32, 1,117,563.48 and 442,305.24

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Solution

The fourth proportional to 809,843.32, 1,117,563.48 and 442,305.24 is: 610,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,843.32 : 1,117,563.48 = 442,305.24 : x
  2. Step 2: Convert to fraction form
    809,843.32/1,117,563.48 = 442,305.24/x
  3. Step 3: Cross multiply
    809,843.32x = 1,117,563.48 × 442,305.24
  4. Step 4: Simplify right side
    809,843.32x = 494,304,183,236.64
  5. Step 5: Solve for x
    x = 494,304,183,236.64/809,843.32
  6. Step 6: Final answer
    x = 610,370.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.