Home / 781,601.30-1,172,511.30-332,318.60

Finding the Fourth Proportional to 781,601.30, 1,172,511.30 and 332,318.60

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Solution

The fourth proportional to 781,601.30, 1,172,511.30 and 332,318.60 is: 498,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,601.30 : 1,172,511.30 = 332,318.60 : x
  2. Step 2: Convert to fraction form
    781,601.30/1,172,511.30 = 332,318.60/x
  3. Step 3: Cross multiply
    781,601.30x = 1,172,511.30 × 332,318.60
  4. Step 4: Simplify right side
    781,601.30x = 389,647,313,700.18
  5. Step 5: Solve for x
    x = 389,647,313,700.18/781,601.30
  6. Step 6: Final answer
    x = 498,524.39

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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.