Home / 778,015.74-1,167,220.41-217,049.82

Finding the Fourth Proportional to 778,015.74, 1,167,220.41 and 217,049.82

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Solution

The fourth proportional to 778,015.74, 1,167,220.41 and 217,049.82 is: 325,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,015.74 : 1,167,220.41 = 217,049.82 : x
  2. Step 2: Convert to fraction form
    778,015.74/1,167,220.41 = 217,049.82/x
  3. Step 3: Cross multiply
    778,015.74x = 1,167,220.41 × 217,049.82
  4. Step 4: Simplify right side
    778,015.74x = 253,344,979,890.83
  5. Step 5: Solve for x
    x = 253,344,979,890.83/778,015.74
  6. Step 6: Final answer
    x = 325,629.63

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1.5x scale

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.