Home / 764,045.82-1,144,493.91-447,543.18

Finding the Fourth Proportional to 764,045.82, 1,144,493.91 and 447,543.18

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Solution

The fourth proportional to 764,045.82, 1,144,493.91 and 447,543.18 is: 670,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,045.82 : 1,144,493.91 = 447,543.18 : x
  2. Step 2: Convert to fraction form
    764,045.82/1,144,493.91 = 447,543.18/x
  3. Step 3: Cross multiply
    764,045.82x = 1,144,493.91 × 447,543.18
  4. Step 4: Simplify right side
    764,045.82x = 512,210,443,972.03
  5. Step 5: Solve for x
    x = 512,210,443,972.03/764,045.82
  6. Step 6: Final answer
    x = 670,392.31

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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.