Home / 739,273.70-1,108,910.55-664,478.30

Finding the Fourth Proportional to 739,273.70, 1,108,910.55 and 664,478.30

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Solution

The fourth proportional to 739,273.70, 1,108,910.55 and 664,478.30 is: 996,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,273.70 : 1,108,910.55 = 664,478.30 : x
  2. Step 2: Convert to fraction form
    739,273.70/1,108,910.55 = 664,478.30/x
  3. Step 3: Cross multiply
    739,273.70x = 1,108,910.55 × 664,478.30
  4. Step 4: Simplify right side
    739,273.70x = 736,846,997,116.07
  5. Step 5: Solve for x
    x = 736,846,997,116.07/739,273.70
  6. Step 6: Final answer
    x = 996,717.45

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Double scale
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Similar ratio
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1.5x scale

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.