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Finding the Fourth Proportional to 635,982.80, 953,728.68 and 271,012.64

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Solution

The fourth proportional to 635,982.80, 953,728.68 and 271,012.64 is: 406,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,982.80 : 953,728.68 = 271,012.64 : x
  2. Step 2: Convert to fraction form
    635,982.80/953,728.68 = 271,012.64/x
  3. Step 3: Cross multiply
    635,982.80x = 953,728.68 × 271,012.64
  4. Step 4: Simplify right side
    635,982.80x = 258,472,527,410.52
  5. Step 5: Solve for x
    x = 258,472,527,410.52/635,982.80
  6. Step 6: Final answer
    x = 406,414.34

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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.