Home / 764,057.32-1,144,511.16-447,554.68

Finding the Fourth Proportional to 764,057.32, 1,144,511.16 and 447,554.68

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Solution

The fourth proportional to 764,057.32, 1,144,511.16 and 447,554.68 is: 670,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,057.32 : 1,144,511.16 = 447,554.68 : x
  2. Step 2: Convert to fraction form
    764,057.32/1,144,511.16 = 447,554.68/x
  3. Step 3: Cross multiply
    764,057.32x = 1,144,511.16 × 447,554.68
  4. Step 4: Simplify right side
    764,057.32x = 512,231,325,970.23
  5. Step 5: Solve for x
    x = 512,231,325,970.23/764,057.32
  6. Step 6: Final answer
    x = 670,409.55

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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.