Home / 844,455.39-1,165,431.65-481,933.82

Finding the Fourth Proportional to 844,455.39, 1,165,431.65 and 481,933.82

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Solution

The fourth proportional to 844,455.39, 1,165,431.65 and 481,933.82 is: 665,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,455.39 : 1,165,431.65 = 481,933.82 : x
  2. Step 2: Convert to fraction form
    844,455.39/1,165,431.65 = 481,933.82/x
  3. Step 3: Cross multiply
    844,455.39x = 1,165,431.65 × 481,933.82
  4. Step 4: Simplify right side
    844,455.39x = 561,660,918,796.58
  5. Step 5: Solve for x
    x = 561,660,918,796.58/844,455.39
  6. Step 6: Final answer
    x = 665,116.15

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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.