Home / 993,942.80-1,491,351.60-461,189.60

Finding the Fourth Proportional to 993,942.80, 1,491,351.60 and 461,189.60

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Solution

The fourth proportional to 993,942.80, 1,491,351.60 and 461,189.60 is: 691,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,942.80 : 1,491,351.60 = 461,189.60 : x
  2. Step 2: Convert to fraction form
    993,942.80/1,491,351.60 = 461,189.60/x
  3. Step 3: Cross multiply
    993,942.80x = 1,491,351.60 × 461,189.60
  4. Step 4: Simplify right side
    993,942.80x = 687,795,847,863.36
  5. Step 5: Solve for x
    x = 687,795,847,863.36/993,942.80
  6. Step 6: Final answer
    x = 691,987.35

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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.