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Finding the Fourth Proportional to 434,880.54, 651,691.24 and 299,805.95

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Solution

The fourth proportional to 434,880.54, 651,691.24 and 299,805.95 is: 449,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,880.54 : 651,691.24 = 299,805.95 : x
  2. Step 2: Convert to fraction form
    434,880.54/651,691.24 = 299,805.95/x
  3. Step 3: Cross multiply
    434,880.54x = 651,691.24 × 299,805.95
  4. Step 4: Simplify right side
    434,880.54x = 195,380,912,194.59
  5. Step 5: Solve for x
    x = 195,380,912,194.59/434,880.54
  6. Step 6: Final answer
    x = 449,274.90

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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.