Home / 764,043.16-1,144,489.72-447,540.52

Finding the Fourth Proportional to 764,043.16, 1,144,489.72 and 447,540.52

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Solution

The fourth proportional to 764,043.16, 1,144,489.72 and 447,540.52 is: 670,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,043.16 : 1,144,489.72 = 447,540.52 : x
  2. Step 2: Convert to fraction form
    764,043.16/1,144,489.72 = 447,540.52/x
  3. Step 3: Cross multiply
    764,043.16x = 1,144,489.72 × 447,540.52
  4. Step 4: Simplify right side
    764,043.16x = 512,205,524,423.45
  5. Step 5: Solve for x
    x = 512,205,524,423.45/764,043.16
  6. Step 6: Final answer
    x = 670,388.21

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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.