Home / 981,662.21-1,472,450.48-307,728.13

Finding the Fourth Proportional to 981,662.21, 1,472,450.48 and 307,728.13

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Solution

The fourth proportional to 981,662.21, 1,472,450.48 and 307,728.13 is: 461,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,662.21 : 1,472,450.48 = 307,728.13 : x
  2. Step 2: Convert to fraction form
    981,662.21/1,472,450.48 = 307,728.13/x
  3. Step 3: Cross multiply
    981,662.21x = 1,472,450.48 × 307,728.13
  4. Step 4: Simplify right side
    981,662.21x = 453,114,431,189.36
  5. Step 5: Solve for x
    x = 453,114,431,189.36/981,662.21
  6. Step 6: Final answer
    x = 461,578.77

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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.