Home / 778,015.24-1,167,219.66-217,049.32

Finding the Fourth Proportional to 778,015.24, 1,167,219.66 and 217,049.32

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Solution

The fourth proportional to 778,015.24, 1,167,219.66 and 217,049.32 is: 325,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,015.24 : 1,167,219.66 = 217,049.32 : x
  2. Step 2: Convert to fraction form
    778,015.24/1,167,219.66 = 217,049.32/x
  3. Step 3: Cross multiply
    778,015.24x = 1,167,219.66 × 217,049.32
  4. Step 4: Simplify right side
    778,015.24x = 253,344,233,493.63
  5. Step 5: Solve for x
    x = 253,344,233,493.63/778,015.24
  6. Step 6: Final answer
    x = 325,628.88

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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.