Home / 774,171.26-1,160,960.72-254,725.49

Finding the Fourth Proportional to 774,171.26, 1,160,960.72 and 254,725.49

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Solution

The fourth proportional to 774,171.26, 1,160,960.72 and 254,725.49 is: 381,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,171.26 : 1,160,960.72 = 254,725.49 : x
  2. Step 2: Convert to fraction form
    774,171.26/1,160,960.72 = 254,725.49/x
  3. Step 3: Cross multiply
    774,171.26x = 1,160,960.72 × 254,725.49
  4. Step 4: Simplify right side
    774,171.26x = 295,726,281,194.32
  5. Step 5: Solve for x
    x = 295,726,281,194.32/774,171.26
  6. Step 6: Final answer
    x = 381,990.78

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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.