Home / 739,273.20-1,108,909.80-664,477.80

Finding the Fourth Proportional to 739,273.20, 1,108,909.80 and 664,477.80

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Solution

The fourth proportional to 739,273.20, 1,108,909.80 and 664,477.80 is: 996,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,273.20 : 1,108,909.80 = 664,477.80 : x
  2. Step 2: Convert to fraction form
    739,273.20/1,108,909.80 = 664,477.80/x
  3. Step 3: Cross multiply
    739,273.20x = 1,108,909.80 × 664,477.80
  4. Step 4: Simplify right side
    739,273.20x = 736,845,944,302.44
  5. Step 5: Solve for x
    x = 736,845,944,302.44/739,273.20
  6. Step 6: Final answer
    x = 996,716.70

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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.