Home / 410,669.03-615,144.29-330,272.41

Finding the Fourth Proportional to 410,669.03, 615,144.29 and 330,272.41

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Solution

The fourth proportional to 410,669.03, 615,144.29 and 330,272.41 is: 494,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,669.03 : 615,144.29 = 330,272.41 : x
  2. Step 2: Convert to fraction form
    410,669.03/615,144.29 = 330,272.41/x
  3. Step 3: Cross multiply
    410,669.03x = 615,144.29 × 330,272.41
  4. Step 4: Simplify right side
    410,669.03x = 203,165,186,273.61
  5. Step 5: Solve for x
    x = 203,165,186,273.61/410,669.03
  6. Step 6: Final answer
    x = 494,717.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.