Home / 494,426.43-682,321.86-279,598.50

Finding the Fourth Proportional to 494,426.43, 682,321.86 and 279,598.50

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Solution

The fourth proportional to 494,426.43, 682,321.86 and 279,598.50 is: 385,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,426.43 : 682,321.86 = 279,598.50 : x
  2. Step 2: Convert to fraction form
    494,426.43/682,321.86 = 279,598.50/x
  3. Step 3: Cross multiply
    494,426.43x = 682,321.86 × 279,598.50
  4. Step 4: Simplify right side
    494,426.43x = 190,776,168,573.21
  5. Step 5: Solve for x
    x = 190,776,168,573.21/494,426.43
  6. Step 6: Final answer
    x = 385,853.50

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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.