Home / 701,402.72-1,052,016.60-280,682.24

Finding the Fourth Proportional to 701,402.72, 1,052,016.60 and 280,682.24

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Solution

The fourth proportional to 701,402.72, 1,052,016.60 and 280,682.24 is: 420,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,402.72 : 1,052,016.60 = 280,682.24 : x
  2. Step 2: Convert to fraction form
    701,402.72/1,052,016.60 = 280,682.24/x
  3. Step 3: Cross multiply
    701,402.72x = 1,052,016.60 × 280,682.24
  4. Step 4: Simplify right side
    701,402.72x = 295,282,375,805.18
  5. Step 5: Solve for x
    x = 295,282,375,805.18/701,402.72
  6. Step 6: Final answer
    x = 420,988.35

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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.