Home / 824,403.07-1,236,721.98-255,833.30

Finding the Fourth Proportional to 824,403.07, 1,236,721.98 and 255,833.30

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Solution

The fourth proportional to 824,403.07, 1,236,721.98 and 255,833.30 is: 383,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,403.07 : 1,236,721.98 = 255,833.30 : x
  2. Step 2: Convert to fraction form
    824,403.07/1,236,721.98 = 255,833.30/x
  3. Step 3: Cross multiply
    824,403.07x = 1,236,721.98 × 255,833.30
  4. Step 4: Simplify right side
    824,403.07x = 316,394,665,179.30
  5. Step 5: Solve for x
    x = 316,394,665,179.30/824,403.07
  6. Step 6: Final answer
    x = 383,786.38

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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.