Home / 481,949.85-665,164.05-307,595.31

Finding the Fourth Proportional to 481,949.85, 665,164.05 and 307,595.31

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Solution

The fourth proportional to 481,949.85, 665,164.05 and 307,595.31 is: 424,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,949.85 : 665,164.05 = 307,595.31 : x
  2. Step 2: Convert to fraction form
    481,949.85/665,164.05 = 307,595.31/x
  3. Step 3: Cross multiply
    481,949.85x = 665,164.05 × 307,595.31
  4. Step 4: Simplify right side
    481,949.85x = 204,601,342,160.61
  5. Step 5: Solve for x
    x = 204,601,342,160.61/481,949.85
  6. Step 6: Final answer
    x = 424,528.28

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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.