Home / 981,395.37-1,472,093.05-271,423.41

Finding the Fourth Proportional to 981,395.37, 1,472,093.05 and 271,423.41

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Solution

The fourth proportional to 981,395.37, 1,472,093.05 and 271,423.41 is: 407,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,395.37 : 1,472,093.05 = 271,423.41 : x
  2. Step 2: Convert to fraction form
    981,395.37/1,472,093.05 = 271,423.41/x
  3. Step 3: Cross multiply
    981,395.37x = 1,472,093.05 × 271,423.41
  4. Step 4: Simplify right side
    981,395.37x = 399,560,510,159.99
  5. Step 5: Solve for x
    x = 399,560,510,159.99/981,395.37
  6. Step 6: Final answer
    x = 407,135.11

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Double scale
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Similar ratio
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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.