Home / 481,297.85-664,504.38-309,282.10

Finding the Fourth Proportional to 481,297.85, 664,504.38 and 309,282.10

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Solution

The fourth proportional to 481,297.85, 664,504.38 and 309,282.10 is: 427,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,297.85 : 664,504.38 = 309,282.10 : x
  2. Step 2: Convert to fraction form
    481,297.85/664,504.38 = 309,282.10/x
  3. Step 3: Cross multiply
    481,297.85x = 664,504.38 × 309,282.10
  4. Step 4: Simplify right side
    481,297.85x = 205,519,308,444.34
  5. Step 5: Solve for x
    x = 205,519,308,444.34/481,297.85
  6. Step 6: Final answer
    x = 427,010.65

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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.