Home / 538,474.72-743,100.02-296,766.06

Finding the Fourth Proportional to 538,474.72, 743,100.02 and 296,766.06

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Solution

The fourth proportional to 538,474.72, 743,100.02 and 296,766.06 is: 409,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,474.72 : 743,100.02 = 296,766.06 : x
  2. Step 2: Convert to fraction form
    538,474.72/743,100.02 = 296,766.06/x
  3. Step 3: Cross multiply
    538,474.72x = 743,100.02 × 296,766.06
  4. Step 4: Simplify right side
    538,474.72x = 220,526,865,121.32
  5. Step 5: Solve for x
    x = 220,526,865,121.32/538,474.72
  6. Step 6: Final answer
    x = 409,539.87

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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.