Home / 703,149.93-1,054,409.54-418,974.39

Finding the Fourth Proportional to 703,149.93, 1,054,409.54 and 418,974.39

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Solution

The fourth proportional to 703,149.93, 1,054,409.54 and 418,974.39 is: 628,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,149.93 : 1,054,409.54 = 418,974.39 : x
  2. Step 2: Convert to fraction form
    703,149.93/1,054,409.54 = 418,974.39/x
  3. Step 3: Cross multiply
    703,149.93x = 1,054,409.54 × 418,974.39
  4. Step 4: Simplify right side
    703,149.93x = 441,770,591,736.81
  5. Step 5: Solve for x
    x = 441,770,591,736.81/703,149.93
  6. Step 6: Final answer
    x = 628,273.68

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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.