Home / 684,976.94-1,027,871.32-381,625

Finding the Fourth Proportional to 684,976.94, 1,027,871.32 and 381,625

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Solution

The fourth proportional to 684,976.94, 1,027,871.32 and 381,625 is: 572,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,976.94 : 1,027,871.32 = 381,625 : x
  2. Step 2: Convert to fraction form
    684,976.94/1,027,871.32 = 381,625/x
  3. Step 3: Cross multiply
    684,976.94x = 1,027,871.32 × 381,625
  4. Step 4: Simplify right side
    684,976.94x = 392,261,392,495
  5. Step 5: Solve for x
    x = 392,261,392,495/684,976.94
  6. Step 6: Final answer
    x = 572,663.65

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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.