Home / 764,418.10-1,147,501.95-449,052.70

Finding the Fourth Proportional to 764,418.10, 1,147,501.95 and 449,052.70

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Solution

The fourth proportional to 764,418.10, 1,147,501.95 and 449,052.70 is: 674,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,418.10 : 1,147,501.95 = 449,052.70 : x
  2. Step 2: Convert to fraction form
    764,418.10/1,147,501.95 = 449,052.70/x
  3. Step 3: Cross multiply
    764,418.10x = 1,147,501.95 × 449,052.70
  4. Step 4: Simplify right side
    764,418.10x = 515,288,848,902.77
  5. Step 5: Solve for x
    x = 515,288,848,902.77/764,418.10
  6. Step 6: Final answer
    x = 674,092.95

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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.