Home / 494,371.48-682,251.02-279,498.73

Finding the Fourth Proportional to 494,371.48, 682,251.02 and 279,498.73

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Solution

The fourth proportional to 494,371.48, 682,251.02 and 279,498.73 is: 385,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,371.48 : 682,251.02 = 279,498.73 : x
  2. Step 2: Convert to fraction form
    494,371.48/682,251.02 = 279,498.73/x
  3. Step 3: Cross multiply
    494,371.48x = 682,251.02 × 279,498.73
  4. Step 4: Simplify right side
    494,371.48x = 190,688,292,233.71
  5. Step 5: Solve for x
    x = 190,688,292,233.71/494,371.48
  6. Step 6: Final answer
    x = 385,718.63

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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.