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Finding the Fourth Proportional to 479,329.43, 661,714.30 and 298,099.73

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Solution

The fourth proportional to 479,329.43, 661,714.30 and 298,099.73 is: 411,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,329.43 : 661,714.30 = 298,099.73 : x
  2. Step 2: Convert to fraction form
    479,329.43/661,714.30 = 298,099.73/x
  3. Step 3: Cross multiply
    479,329.43x = 661,714.30 × 298,099.73
  4. Step 4: Simplify right side
    479,329.43x = 197,256,856,194.05
  5. Step 5: Solve for x
    x = 197,256,856,194.05/479,329.43
  6. Step 6: Final answer
    x = 411,526.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.