Home / 764,056.32-1,144,509.66-447,553.68

Finding the Fourth Proportional to 764,056.32, 1,144,509.66 and 447,553.68

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Solution

The fourth proportional to 764,056.32, 1,144,509.66 and 447,553.68 is: 670,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,056.32 : 1,144,509.66 = 447,553.68 : x
  2. Step 2: Convert to fraction form
    764,056.32/1,144,509.66 = 447,553.68/x
  3. Step 3: Cross multiply
    764,056.32x = 1,144,509.66 × 447,553.68
  4. Step 4: Simplify right side
    764,056.32x = 512,229,510,128.55
  5. Step 5: Solve for x
    x = 512,229,510,128.55/764,056.32
  6. Step 6: Final answer
    x = 670,408.05

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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.