Home / 684,974.69-1,027,867.94-381,622.75

Finding the Fourth Proportional to 684,974.69, 1,027,867.94 and 381,622.75

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Solution

The fourth proportional to 684,974.69, 1,027,867.94 and 381,622.75 is: 572,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,974.69 : 1,027,867.94 = 381,622.75 : x
  2. Step 2: Convert to fraction form
    684,974.69/1,027,867.94 = 381,622.75/x
  3. Step 3: Cross multiply
    684,974.69x = 1,027,867.94 × 381,622.75
  4. Step 4: Simplify right side
    684,974.69x = 392,257,790,561.19
  5. Step 5: Solve for x
    x = 392,257,790,561.19/684,974.69
  6. Step 6: Final answer
    x = 572,660.27

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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.