Home / 484,127.85-667,637.82-309,753.18

Finding the Fourth Proportional to 484,127.85, 667,637.82 and 309,753.18

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Solution

The fourth proportional to 484,127.85, 667,637.82 and 309,753.18 is: 427,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,127.85 : 667,637.82 = 309,753.18 : x
  2. Step 2: Convert to fraction form
    484,127.85/667,637.82 = 309,753.18/x
  3. Step 3: Cross multiply
    484,127.85x = 667,637.82 × 309,753.18
  4. Step 4: Simplify right side
    484,127.85x = 206,802,937,833.27
  5. Step 5: Solve for x
    x = 206,802,937,833.27/484,127.85
  6. Step 6: Final answer
    x = 427,165.96

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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.