Home / 727,879.88-1,091,921.88-254,457.56

Finding the Fourth Proportional to 727,879.88, 1,091,921.88 and 254,457.56

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Solution

The fourth proportional to 727,879.88, 1,091,921.88 and 254,457.56 is: 381,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,879.88 : 1,091,921.88 = 254,457.56 : x
  2. Step 2: Convert to fraction form
    727,879.88/1,091,921.88 = 254,457.56/x
  3. Step 3: Cross multiply
    727,879.88x = 1,091,921.88 × 254,457.56
  4. Step 4: Simplify right side
    727,879.88x = 277,847,777,295.41
  5. Step 5: Solve for x
    x = 277,847,777,295.41/727,879.88
  6. Step 6: Final answer
    x = 381,722.02

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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.