Home / 892,418.12-1,231,530.16-484,511.88

Finding the Fourth Proportional to 892,418.12, 1,231,530.16 and 484,511.88

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Solution

The fourth proportional to 892,418.12, 1,231,530.16 and 484,511.88 is: 668,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,418.12 : 1,231,530.16 = 484,511.88 : x
  2. Step 2: Convert to fraction form
    892,418.12/1,231,530.16 = 484,511.88/x
  3. Step 3: Cross multiply
    892,418.12x = 1,231,530.16 × 484,511.88
  4. Step 4: Simplify right side
    892,418.12x = 596,690,993,098.30
  5. Step 5: Solve for x
    x = 596,690,993,098.30/892,418.12
  6. Step 6: Final answer
    x = 668,622.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.