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Finding the Fourth Proportional to 444,813.40, 667,220.10 and 423,040.60

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Solution

The fourth proportional to 444,813.40, 667,220.10 and 423,040.60 is: 634,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,813.40 : 667,220.10 = 423,040.60 : x
  2. Step 2: Convert to fraction form
    444,813.40/667,220.10 = 423,040.60/x
  3. Step 3: Cross multiply
    444,813.40x = 667,220.10 × 423,040.60
  4. Step 4: Simplify right side
    444,813.40x = 282,261,191,436.06
  5. Step 5: Solve for x
    x = 282,261,191,436.06/444,813.40
  6. Step 6: Final answer
    x = 634,560.90

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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.