Home / 783,261.44-1,080,954.24-443,732.48

Finding the Fourth Proportional to 783,261.44, 1,080,954.24 and 443,732.48

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Solution

The fourth proportional to 783,261.44, 1,080,954.24 and 443,732.48 is: 612,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,261.44 : 1,080,954.24 = 443,732.48 : x
  2. Step 2: Convert to fraction form
    783,261.44/1,080,954.24 = 443,732.48/x
  3. Step 3: Cross multiply
    783,261.44x = 1,080,954.24 × 443,732.48
  4. Step 4: Simplify right side
    783,261.44x = 479,654,505,681.72
  5. Step 5: Solve for x
    x = 479,654,505,681.72/783,261.44
  6. Step 6: Final answer
    x = 612,381.10

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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.