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Finding the Fourth Proportional to 609,797.62, 914,208 and 289,788.90

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Solution

The fourth proportional to 609,797.62, 914,208 and 289,788.90 is: 434,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,797.62 : 914,208 = 289,788.90 : x
  2. Step 2: Convert to fraction form
    609,797.62/914,208 = 289,788.90/x
  3. Step 3: Cross multiply
    609,797.62x = 914,208 × 289,788.90
  4. Step 4: Simplify right side
    609,797.62x = 264,927,330,691.20
  5. Step 5: Solve for x
    x = 264,927,330,691.20/609,797.62
  6. Step 6: Final answer
    x = 434,451.24

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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.