Home / 764,055.32-1,144,508.16-447,552.68

Finding the Fourth Proportional to 764,055.32, 1,144,508.16 and 447,552.68

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Solution

The fourth proportional to 764,055.32, 1,144,508.16 and 447,552.68 is: 670,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,055.32 : 1,144,508.16 = 447,552.68 : x
  2. Step 2: Convert to fraction form
    764,055.32/1,144,508.16 = 447,552.68/x
  3. Step 3: Cross multiply
    764,055.32x = 1,144,508.16 × 447,552.68
  4. Step 4: Simplify right side
    764,055.32x = 512,227,694,289.87
  5. Step 5: Solve for x
    x = 512,227,694,289.87/764,055.32
  6. Step 6: Final answer
    x = 670,406.55

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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.