Home / 892,122.73-1,231,096.37-484,215.79

Finding the Fourth Proportional to 892,122.73, 1,231,096.37 and 484,215.79

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Solution

The fourth proportional to 892,122.73, 1,231,096.37 and 484,215.79 is: 668,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,122.73 : 1,231,096.37 = 484,215.79 : x
  2. Step 2: Convert to fraction form
    892,122.73/1,231,096.37 = 484,215.79/x
  3. Step 3: Cross multiply
    892,122.73x = 1,231,096.37 × 484,215.79
  4. Step 4: Simplify right side
    892,122.73x = 596,116,300,898.88
  5. Step 5: Solve for x
    x = 596,116,300,898.88/892,122.73
  6. Step 6: Final answer
    x = 668,199.88

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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.