Home / 842,827.28-1,263,977.39-281,730.56

Finding the Fourth Proportional to 842,827.28, 1,263,977.39 and 281,730.56

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Solution

The fourth proportional to 842,827.28, 1,263,977.39 and 281,730.56 is: 422,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,827.28 : 1,263,977.39 = 281,730.56 : x
  2. Step 2: Convert to fraction form
    842,827.28/1,263,977.39 = 281,730.56/x
  3. Step 3: Cross multiply
    842,827.28x = 1,263,977.39 × 281,730.56
  4. Step 4: Simplify right side
    842,827.28x = 356,101,052,296.48
  5. Step 5: Solve for x
    x = 356,101,052,296.48/842,827.28
  6. Step 6: Final answer
    x = 422,507.75

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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.