Home / 854,428.16-1,179,107.78-481,861.47

Finding the Fourth Proportional to 854,428.16, 1,179,107.78 and 481,861.47

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Solution

The fourth proportional to 854,428.16, 1,179,107.78 and 481,861.47 is: 664,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,428.16 : 1,179,107.78 = 481,861.47 : x
  2. Step 2: Convert to fraction form
    854,428.16/1,179,107.78 = 481,861.47/x
  3. Step 3: Cross multiply
    854,428.16x = 1,179,107.78 × 481,861.47
  4. Step 4: Simplify right side
    854,428.16x = 568,166,608,159.24
  5. Step 5: Solve for x
    x = 568,166,608,159.24/854,428.16
  6. Step 6: Final answer
    x = 664,967.09

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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.