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Finding the Fourth Proportional to 436,447.29, 654,073.74 and 329,743.56

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Solution

The fourth proportional to 436,447.29, 654,073.74 and 329,743.56 is: 494,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,447.29 : 654,073.74 = 329,743.56 : x
  2. Step 2: Convert to fraction form
    436,447.29/654,073.74 = 329,743.56/x
  3. Step 3: Cross multiply
    436,447.29x = 654,073.74 × 329,743.56
  4. Step 4: Simplify right side
    436,447.29x = 215,676,603,530.11
  5. Step 5: Solve for x
    x = 215,676,603,530.11/436,447.29
  6. Step 6: Final answer
    x = 494,164.15

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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.