Home / 674,243.68-1,011,404.38-253,523.20

Finding the Fourth Proportional to 674,243.68, 1,011,404.38 and 253,523.20

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Solution

The fourth proportional to 674,243.68, 1,011,404.38 and 253,523.20 is: 380,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,243.68 : 1,011,404.38 = 253,523.20 : x
  2. Step 2: Convert to fraction form
    674,243.68/1,011,404.38 = 253,523.20/x
  3. Step 3: Cross multiply
    674,243.68x = 1,011,404.38 × 253,523.20
  4. Step 4: Simplify right side
    674,243.68x = 256,414,474,911.62
  5. Step 5: Solve for x
    x = 256,414,474,911.62/674,243.68
  6. Step 6: Final answer
    x = 380,299.41

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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.