Home / 981,905.16-1,472,857.92-271,933.32

Finding the Fourth Proportional to 981,905.16, 1,472,857.92 and 271,933.32

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Solution

The fourth proportional to 981,905.16, 1,472,857.92 and 271,933.32 is: 407,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,905.16 : 1,472,857.92 = 271,933.32 : x
  2. Step 2: Convert to fraction form
    981,905.16/1,472,857.92 = 271,933.32/x
  3. Step 3: Cross multiply
    981,905.16x = 1,472,857.92 × 271,933.32
  4. Step 4: Simplify right side
    981,905.16x = 400,519,144,073.89
  5. Step 5: Solve for x
    x = 400,519,144,073.89/981,905.16
  6. Step 6: Final answer
    x = 407,900.03

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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.