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Finding the Fourth Proportional to 412,367.10, 617,500.60 and 271,699.26

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Solution

The fourth proportional to 412,367.10, 617,500.60 and 271,699.26 is: 406,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,367.10 : 617,500.60 = 271,699.26 : x
  2. Step 2: Convert to fraction form
    412,367.10/617,500.60 = 271,699.26/x
  3. Step 3: Cross multiply
    412,367.10x = 617,500.60 × 271,699.26
  4. Step 4: Simplify right side
    412,367.10x = 167,774,456,069.56
  5. Step 5: Solve for x
    x = 167,774,456,069.56/412,367.10
  6. Step 6: Final answer
    x = 406,857.04

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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.