Home / 809,486.60-1,214,229.90-754,190.60

Finding the Fourth Proportional to 809,486.60, 1,214,229.90 and 754,190.60

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Solution

The fourth proportional to 809,486.60, 1,214,229.90 and 754,190.60 is: 1,131,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,486.60 : 1,214,229.90 = 754,190.60 : x
  2. Step 2: Convert to fraction form
    809,486.60/1,214,229.90 = 754,190.60/x
  3. Step 3: Cross multiply
    809,486.60x = 1,214,229.90 × 754,190.60
  4. Step 4: Simplify right side
    809,486.60x = 915,760,776,818.94
  5. Step 5: Solve for x
    x = 915,760,776,818.94/809,486.60
  6. Step 6: Final answer
    x = 1,131,285.90

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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.