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Finding the Fourth Proportional to 491,908.91, 736,196.66 and 302,489.19

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Solution

The fourth proportional to 491,908.91, 736,196.66 and 302,489.19 is: 452,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,908.91 : 736,196.66 = 302,489.19 : x
  2. Step 2: Convert to fraction form
    491,908.91/736,196.66 = 302,489.19/x
  3. Step 3: Cross multiply
    491,908.91x = 736,196.66 × 302,489.19
  4. Step 4: Simplify right side
    491,908.91x = 222,691,529,851.66
  5. Step 5: Solve for x
    x = 222,691,529,851.66/491,908.91
  6. Step 6: Final answer
    x = 452,708.88

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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.