Home / 418,717.86-577,833.38-227,732.64

Finding the Fourth Proportional to 418,717.86, 577,833.38 and 227,732.64

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Solution

The fourth proportional to 418,717.86, 577,833.38 and 227,732.64 is: 314,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,717.86 : 577,833.38 = 227,732.64 : x
  2. Step 2: Convert to fraction form
    418,717.86/577,833.38 = 227,732.64/x
  3. Step 3: Cross multiply
    418,717.86x = 577,833.38 × 227,732.64
  4. Step 4: Simplify right side
    418,717.86x = 131,591,521,107.52
  5. Step 5: Solve for x
    x = 131,591,521,107.52/418,717.86
  6. Step 6: Final answer
    x = 314,272.53

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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.