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Finding the Fourth Proportional to 654,150.60, 981,663.30 and 298,981.80

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Solution

The fourth proportional to 654,150.60, 981,663.30 and 298,981.80 is: 448,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,150.60 : 981,663.30 = 298,981.80 : x
  2. Step 2: Convert to fraction form
    654,150.60/981,663.30 = 298,981.80/x
  3. Step 3: Cross multiply
    654,150.60x = 981,663.30 × 298,981.80
  4. Step 4: Simplify right side
    654,150.60x = 293,499,460,427.94
  5. Step 5: Solve for x
    x = 293,499,460,427.94/654,150.60
  6. Step 6: Final answer
    x = 448,672.62

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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.