Home / 703,742.38-1,055,451.67-419,513.18

Finding the Fourth Proportional to 703,742.38, 1,055,451.67 and 419,513.18

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Solution

The fourth proportional to 703,742.38, 1,055,451.67 and 419,513.18 is: 629,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,742.38 : 1,055,451.67 = 419,513.18 : x
  2. Step 2: Convert to fraction form
    703,742.38/1,055,451.67 = 419,513.18/x
  3. Step 3: Cross multiply
    703,742.38x = 1,055,451.67 × 419,513.18
  4. Step 4: Simplify right side
    703,742.38x = 442,775,880,091.97
  5. Step 5: Solve for x
    x = 442,775,880,091.97/703,742.38
  6. Step 6: Final answer
    x = 629,173.25

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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.