Home / 727,878.88-1,091,920.38-254,456.56

Finding the Fourth Proportional to 727,878.88, 1,091,920.38 and 254,456.56

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Solution

The fourth proportional to 727,878.88, 1,091,920.38 and 254,456.56 is: 381,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,878.88 : 1,091,920.38 = 254,456.56 : x
  2. Step 2: Convert to fraction form
    727,878.88/1,091,920.38 = 254,456.56/x
  3. Step 3: Cross multiply
    727,878.88x = 1,091,920.38 × 254,456.56
  4. Step 4: Simplify right side
    727,878.88x = 277,846,303,688.69
  5. Step 5: Solve for x
    x = 277,846,303,688.69/727,878.88
  6. Step 6: Final answer
    x = 381,720.52

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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.