Home / 481,471.56-664,741.62-309,466.44

Finding the Fourth Proportional to 481,471.56, 664,741.62 and 309,466.44

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Solution

The fourth proportional to 481,471.56, 664,741.62 and 309,466.44 is: 427,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,471.56 : 664,741.62 = 309,466.44 : x
  2. Step 2: Convert to fraction form
    481,471.56/664,741.62 = 309,466.44/x
  3. Step 3: Cross multiply
    481,471.56x = 664,741.62 × 309,466.44
  4. Step 4: Simplify right side
    481,471.56x = 205,715,222,661.23
  5. Step 5: Solve for x
    x = 205,715,222,661.23/481,471.56
  6. Step 6: Final answer
    x = 427,263.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.