Home / 842,825.48-1,263,974.70-281,728.76

Finding the Fourth Proportional to 842,825.48, 1,263,974.70 and 281,728.76

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Solution

The fourth proportional to 842,825.48, 1,263,974.70 and 281,728.76 is: 422,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,825.48 : 1,263,974.70 = 281,728.76 : x
  2. Step 2: Convert to fraction form
    842,825.48/1,263,974.70 = 281,728.76/x
  3. Step 3: Cross multiply
    842,825.48x = 1,263,974.70 × 281,728.76
  4. Step 4: Simplify right side
    842,825.48x = 356,098,024,902.37
  5. Step 5: Solve for x
    x = 356,098,024,902.37/842,825.48
  6. Step 6: Final answer
    x = 422,505.05

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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.