Home / 703,680.35-1,055,120.60-276,984.90

Finding the Fourth Proportional to 703,680.35, 1,055,120.60 and 276,984.90

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Solution

The fourth proportional to 703,680.35, 1,055,120.60 and 276,984.90 is: 415,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,680.35 : 1,055,120.60 = 276,984.90 : x
  2. Step 2: Convert to fraction form
    703,680.35/1,055,120.60 = 276,984.90/x
  3. Step 3: Cross multiply
    703,680.35x = 1,055,120.60 × 276,984.90
  4. Step 4: Simplify right side
    703,680.35x = 292,252,473,878.94
  5. Step 5: Solve for x
    x = 292,252,473,878.94/703,680.35
  6. Step 6: Final answer
    x = 415,319.93

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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.