Home / 494,426.52-682,304.79-279,574.23

Finding the Fourth Proportional to 494,426.52, 682,304.79 and 279,574.23

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Solution

The fourth proportional to 494,426.52, 682,304.79 and 279,574.23 is: 385,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,426.52 : 682,304.79 = 279,574.23 : x
  2. Step 2: Convert to fraction form
    494,426.52/682,304.79 = 279,574.23/x
  3. Step 3: Cross multiply
    494,426.52x = 682,304.79 × 279,574.23
  4. Step 4: Simplify right side
    494,426.52x = 190,754,836,289.56
  5. Step 5: Solve for x
    x = 190,754,836,289.56/494,426.52
  6. Step 6: Final answer
    x = 385,810.28

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1.5x scale

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.