Home / 464,996.21-641,764.80-283,813.42

Finding the Fourth Proportional to 464,996.21, 641,764.80 and 283,813.42

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Solution

The fourth proportional to 464,996.21, 641,764.80 and 283,813.42 is: 391,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,996.21 : 641,764.80 = 283,813.42 : x
  2. Step 2: Convert to fraction form
    464,996.21/641,764.80 = 283,813.42/x
  3. Step 3: Cross multiply
    464,996.21x = 641,764.80 × 283,813.42
  4. Step 4: Simplify right side
    464,996.21x = 182,141,464,995.21
  5. Step 5: Solve for x
    x = 182,141,464,995.21/464,996.21
  6. Step 6: Final answer
    x = 391,705.27

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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.