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Finding the Fourth Proportional to 489,182.83, 675,079.22 and 295,563.62

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Solution

The fourth proportional to 489,182.83, 675,079.22 and 295,563.62 is: 407,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,182.83 : 675,079.22 = 295,563.62 : x
  2. Step 2: Convert to fraction form
    489,182.83/675,079.22 = 295,563.62/x
  3. Step 3: Cross multiply
    489,182.83x = 675,079.22 × 295,563.62
  4. Step 4: Simplify right side
    489,182.83x = 199,528,858,049.98
  5. Step 5: Solve for x
    x = 199,528,858,049.98/489,182.83
  6. Step 6: Final answer
    x = 407,881.97

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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.