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Finding the Fourth Proportional to 463,414.60, 647,205.80 and 463,414.60

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Solution

The fourth proportional to 463,414.60, 647,205.80 and 463,414.60 is: 647,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,414.60 : 647,205.80 = 463,414.60 : x
  2. Step 2: Convert to fraction form
    463,414.60/647,205.80 = 463,414.60/x
  3. Step 3: Cross multiply
    463,414.60x = 647,205.80 × 463,414.60
  4. Step 4: Simplify right side
    463,414.60x = 299,924,616,924.68
  5. Step 5: Solve for x
    x = 299,924,616,924.68/463,414.60
  6. Step 6: Final answer
    x = 647,205.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.