Home / 727,076.34-1,091,112.69-253,761.69

Finding the Fourth Proportional to 727,076.34, 1,091,112.69 and 253,761.69

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Solution

The fourth proportional to 727,076.34, 1,091,112.69 and 253,761.69 is: 380,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,076.34 : 1,091,112.69 = 253,761.69 : x
  2. Step 2: Convert to fraction form
    727,076.34/1,091,112.69 = 253,761.69/x
  3. Step 3: Cross multiply
    727,076.34x = 1,091,112.69 × 253,761.69
  4. Step 4: Simplify right side
    727,076.34x = 276,882,600,194.85
  5. Step 5: Solve for x
    x = 276,882,600,194.85/727,076.34
  6. Step 6: Final answer
    x = 380,816.41

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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.