Home / 684,758.62-1,027,496.13-280,251.10

Finding the Fourth Proportional to 684,758.62, 1,027,496.13 and 280,251.10

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Solution

The fourth proportional to 684,758.62, 1,027,496.13 and 280,251.10 is: 420,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,758.62 : 1,027,496.13 = 280,251.10 : x
  2. Step 2: Convert to fraction form
    684,758.62/1,027,496.13 = 280,251.10/x
  3. Step 3: Cross multiply
    684,758.62x = 1,027,496.13 × 280,251.10
  4. Step 4: Simplify right side
    684,758.62x = 287,956,920,678.24
  5. Step 5: Solve for x
    x = 287,956,920,678.24/684,758.62
  6. Step 6: Final answer
    x = 420,523.25

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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.