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Finding the Fourth Proportional to 444,620.40, 666,055.80 and 266,598.60

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Solution

The fourth proportional to 444,620.40, 666,055.80 and 266,598.60 is: 399,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,620.40 : 666,055.80 = 266,598.60 : x
  2. Step 2: Convert to fraction form
    444,620.40/666,055.80 = 266,598.60/x
  3. Step 3: Cross multiply
    444,620.40x = 666,055.80 × 266,598.60
  4. Step 4: Simplify right side
    444,620.40x = 177,569,543,801.88
  5. Step 5: Solve for x
    x = 177,569,543,801.88/444,620.40
  6. Step 6: Final answer
    x = 399,373.36

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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.