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Finding the Fourth Proportional to 444,080.80, 666,121.20 and 397,424.80

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Solution

The fourth proportional to 444,080.80, 666,121.20 and 397,424.80 is: 596,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,080.80 : 666,121.20 = 397,424.80 : x
  2. Step 2: Convert to fraction form
    444,080.80/666,121.20 = 397,424.80/x
  3. Step 3: Cross multiply
    444,080.80x = 666,121.20 × 397,424.80
  4. Step 4: Simplify right side
    444,080.80x = 264,733,084,685.76
  5. Step 5: Solve for x
    x = 264,733,084,685.76/444,080.80
  6. Step 6: Final answer
    x = 596,137.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.