Home / 684,757.62-1,027,494.63-280,250.10

Finding the Fourth Proportional to 684,757.62, 1,027,494.63 and 280,250.10

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Solution

The fourth proportional to 684,757.62, 1,027,494.63 and 280,250.10 is: 420,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,757.62 : 1,027,494.63 = 280,250.10 : x
  2. Step 2: Convert to fraction form
    684,757.62/1,027,494.63 = 280,250.10/x
  3. Step 3: Cross multiply
    684,757.62x = 1,027,494.63 × 280,250.10
  4. Step 4: Simplify right side
    684,757.62x = 287,955,472,806.96
  5. Step 5: Solve for x
    x = 287,955,472,806.96/684,757.62
  6. Step 6: Final answer
    x = 420,521.75

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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.