Home / 830,922.30-1,246,383.45-269,956.80

Finding the Fourth Proportional to 830,922.30, 1,246,383.45 and 269,956.80

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Solution

The fourth proportional to 830,922.30, 1,246,383.45 and 269,956.80 is: 404,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,922.30 : 1,246,383.45 = 269,956.80 : x
  2. Step 2: Convert to fraction form
    830,922.30/1,246,383.45 = 269,956.80/x
  3. Step 3: Cross multiply
    830,922.30x = 1,246,383.45 × 269,956.80
  4. Step 4: Simplify right side
    830,922.30x = 336,469,687,734.96
  5. Step 5: Solve for x
    x = 336,469,687,734.96/830,922.30
  6. Step 6: Final answer
    x = 404,935.20

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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.