Home / 960,748.28-1,440,633.24-320,821.92

Finding the Fourth Proportional to 960,748.28, 1,440,633.24 and 320,821.92

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Solution

The fourth proportional to 960,748.28, 1,440,633.24 and 320,821.92 is: 481,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,748.28 : 1,440,633.24 = 320,821.92 : x
  2. Step 2: Convert to fraction form
    960,748.28/1,440,633.24 = 320,821.92/x
  3. Step 3: Cross multiply
    960,748.28x = 1,440,633.24 × 320,821.92
  4. Step 4: Simplify right side
    960,748.28x = 462,186,722,072.62
  5. Step 5: Solve for x
    x = 462,186,722,072.62/960,748.28
  6. Step 6: Final answer
    x = 481,069.53

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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.