Home / 809,179.92-1,212,784.60-572,591.12

Finding the Fourth Proportional to 809,179.92, 1,212,784.60 and 572,591.12

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Solution

The fourth proportional to 809,179.92, 1,212,784.60 and 572,591.12 is: 858,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,179.92 : 1,212,784.60 = 572,591.12 : x
  2. Step 2: Convert to fraction form
    809,179.92/1,212,784.60 = 572,591.12/x
  3. Step 3: Cross multiply
    809,179.92x = 1,212,784.60 × 572,591.12
  4. Step 4: Simplify right side
    809,179.92x = 694,429,692,432.75
  5. Step 5: Solve for x
    x = 694,429,692,432.75/809,179.92
  6. Step 6: Final answer
    x = 858,189.48

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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.