Home / 733,814.20-1,100,721.30-438,902.20

Finding the Fourth Proportional to 733,814.20, 1,100,721.30 and 438,902.20

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Solution

The fourth proportional to 733,814.20, 1,100,721.30 and 438,902.20 is: 658,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,814.20 : 1,100,721.30 = 438,902.20 : x
  2. Step 2: Convert to fraction form
    733,814.20/1,100,721.30 = 438,902.20/x
  3. Step 3: Cross multiply
    733,814.20x = 1,100,721.30 × 438,902.20
  4. Step 4: Simplify right side
    733,814.20x = 483,109,000,156.86
  5. Step 5: Solve for x
    x = 483,109,000,156.86/733,814.20
  6. Step 6: Final answer
    x = 658,353.30

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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.