Home / 494,268.88-681,960.23-290,254.58

Finding the Fourth Proportional to 494,268.88, 681,960.23 and 290,254.58

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Solution

The fourth proportional to 494,268.88, 681,960.23 and 290,254.58 is: 400,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,268.88 : 681,960.23 = 290,254.58 : x
  2. Step 2: Convert to fraction form
    494,268.88/681,960.23 = 290,254.58/x
  3. Step 3: Cross multiply
    494,268.88x = 681,960.23 × 290,254.58
  4. Step 4: Simplify right side
    494,268.88x = 197,942,078,684.08
  5. Step 5: Solve for x
    x = 197,942,078,684.08/494,268.88
  6. Step 6: Final answer
    x = 400,474.50

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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.