Home / 410,670.03-615,145.78-330,273.41

Finding the Fourth Proportional to 410,670.03, 615,145.78 and 330,273.41

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Solution

The fourth proportional to 410,670.03, 615,145.78 and 330,273.41 is: 494,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,670.03 : 615,145.78 = 330,273.41 : x
  2. Step 2: Convert to fraction form
    410,670.03/615,145.78 = 330,273.41/x
  3. Step 3: Cross multiply
    410,670.03x = 615,145.78 × 330,273.41
  4. Step 4: Simplify right side
    410,670.03x = 203,166,294,407.71
  5. Step 5: Solve for x
    x = 203,166,294,407.71/410,670.03
  6. Step 6: Final answer
    x = 494,719.07

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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.