Home / 764,446.10-1,145,092.35-447,943.70

Finding the Fourth Proportional to 764,446.10, 1,145,092.35 and 447,943.70

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Solution

The fourth proportional to 764,446.10, 1,145,092.35 and 447,943.70 is: 670,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,446.10 : 1,145,092.35 = 447,943.70 : x
  2. Step 2: Convert to fraction form
    764,446.10/1,145,092.35 = 447,943.70/x
  3. Step 3: Cross multiply
    764,446.10x = 1,145,092.35 × 447,943.70
  4. Step 4: Simplify right side
    764,446.10x = 512,936,904,100.70
  5. Step 5: Solve for x
    x = 512,936,904,100.70/764,446.10
  6. Step 6: Final answer
    x = 670,991.59

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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.