Home / 443,131.24-664,691.64-300,623.44

Finding the Fourth Proportional to 443,131.24, 664,691.64 and 300,623.44

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Solution

The fourth proportional to 443,131.24, 664,691.64 and 300,623.44 is: 450,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,131.24 : 664,691.64 = 300,623.44 : x
  2. Step 2: Convert to fraction form
    443,131.24/664,691.64 = 300,623.44/x
  3. Step 3: Cross multiply
    443,131.24x = 664,691.64 × 300,623.44
  4. Step 4: Simplify right side
    443,131.24x = 199,821,887,356.04
  5. Step 5: Solve for x
    x = 199,821,887,356.04/443,131.24
  6. Step 6: Final answer
    x = 450,931.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.