Home / 764,122.24-1,144,608.24-447,619.52

Finding the Fourth Proportional to 764,122.24, 1,144,608.24 and 447,619.52

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Solution

The fourth proportional to 764,122.24, 1,144,608.24 and 447,619.52 is: 670,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,122.24 : 1,144,608.24 = 447,619.52 : x
  2. Step 2: Convert to fraction form
    764,122.24/1,144,608.24 = 447,619.52/x
  3. Step 3: Cross multiply
    764,122.24x = 1,144,608.24 × 447,619.52
  4. Step 4: Simplify right side
    764,122.24x = 512,348,990,976.85
  5. Step 5: Solve for x
    x = 512,348,990,976.85/764,122.24
  6. Step 6: Final answer
    x = 670,506.58

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1.5x scale

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.