Home / 809,850.56-1,214,780.16-531,132.80

Finding the Fourth Proportional to 809,850.56, 1,214,780.16 and 531,132.80

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Solution

The fourth proportional to 809,850.56, 1,214,780.16 and 531,132.80 is: 796,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,850.56 : 1,214,780.16 = 531,132.80 : x
  2. Step 2: Convert to fraction form
    809,850.56/1,214,780.16 = 531,132.80/x
  3. Step 3: Cross multiply
    809,850.56x = 1,214,780.16 × 531,132.80
  4. Step 4: Simplify right side
    809,850.56x = 645,209,587,765.25
  5. Step 5: Solve for x
    x = 645,209,587,765.25/809,850.56
  6. Step 6: Final answer
    x = 796,702.03

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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.