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Finding the Fourth Proportional to 410,725.22, 615,229.23 and 330,328.67

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Solution

The fourth proportional to 410,725.22, 615,229.23 and 330,328.67 is: 494,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,725.22 : 615,229.23 = 330,328.67 : x
  2. Step 2: Convert to fraction form
    410,725.22/615,229.23 = 330,328.67/x
  3. Step 3: Cross multiply
    410,725.22x = 615,229.23 × 330,328.67
  4. Step 4: Simplify right side
    410,725.22x = 203,227,853,291.02
  5. Step 5: Solve for x
    x = 203,227,853,291.02/410,725.22
  6. Step 6: Final answer
    x = 494,802.47

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1.5x scale

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.