Home / 494,242.94-682,047.86-279,375.46

Finding the Fourth Proportional to 494,242.94, 682,047.86 and 279,375.46

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Solution

The fourth proportional to 494,242.94, 682,047.86 and 279,375.46 is: 385,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,242.94 : 682,047.86 = 279,375.46 : x
  2. Step 2: Convert to fraction form
    494,242.94/682,047.86 = 279,375.46/x
  3. Step 3: Cross multiply
    494,242.94x = 682,047.86 × 279,375.46
  4. Step 4: Simplify right side
    494,242.94x = 190,547,434,629.52
  5. Step 5: Solve for x
    x = 190,547,434,629.52/494,242.94
  6. Step 6: Final answer
    x = 385,533.95

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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.