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Finding the Fourth Proportional to 444,046.20, 666,069.30 and 440,109.60

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Solution

The fourth proportional to 444,046.20, 666,069.30 and 440,109.60 is: 660,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,046.20 : 666,069.30 = 440,109.60 : x
  2. Step 2: Convert to fraction form
    444,046.20/666,069.30 = 440,109.60/x
  3. Step 3: Cross multiply
    444,046.20x = 666,069.30 × 440,109.60
  4. Step 4: Simplify right side
    444,046.20x = 293,143,493,195.28
  5. Step 5: Solve for x
    x = 293,143,493,195.28/444,046.20
  6. Step 6: Final answer
    x = 660,164.40

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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.