Home / 733,720.20-1,100,580.30-521,143.80

Finding the Fourth Proportional to 733,720.20, 1,100,580.30 and 521,143.80

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Solution

The fourth proportional to 733,720.20, 1,100,580.30 and 521,143.80 is: 781,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,720.20 : 1,100,580.30 = 521,143.80 : x
  2. Step 2: Convert to fraction form
    733,720.20/1,100,580.30 = 521,143.80/x
  3. Step 3: Cross multiply
    733,720.20x = 1,100,580.30 × 521,143.80
  4. Step 4: Simplify right side
    733,720.20x = 573,560,599,747.14
  5. Step 5: Solve for x
    x = 573,560,599,747.14/733,720.20
  6. Step 6: Final answer
    x = 781,715.70

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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.