Home / 809,625.56-1,117,378.04-673,419.20

Finding the Fourth Proportional to 809,625.56, 1,117,378.04 and 673,419.20

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Solution

The fourth proportional to 809,625.56, 1,117,378.04 and 673,419.20 is: 929,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,625.56 : 1,117,378.04 = 673,419.20 : x
  2. Step 2: Convert to fraction form
    809,625.56/1,117,378.04 = 673,419.20/x
  3. Step 3: Cross multiply
    809,625.56x = 1,117,378.04 × 673,419.20
  4. Step 4: Simplify right side
    809,625.56x = 752,463,825,794.37
  5. Step 5: Solve for x
    x = 752,463,825,794.37/809,625.56
  6. Step 6: Final answer
    x = 929,397.32

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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.