Home / 739,166.20-1,108,749.30-664,370.80

Finding the Fourth Proportional to 739,166.20, 1,108,749.30 and 664,370.80

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Solution

The fourth proportional to 739,166.20, 1,108,749.30 and 664,370.80 is: 996,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,166.20 : 1,108,749.30 = 664,370.80 : x
  2. Step 2: Convert to fraction form
    739,166.20/1,108,749.30 = 664,370.80/x
  3. Step 3: Cross multiply
    739,166.20x = 1,108,749.30 × 664,370.80
  4. Step 4: Simplify right side
    739,166.20x = 736,620,659,440.44
  5. Step 5: Solve for x
    x = 736,620,659,440.44/739,166.20
  6. Step 6: Final answer
    x = 996,556.20

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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.