Home / 981,580.75-1,472,389.62-307,647.16

Finding the Fourth Proportional to 981,580.75, 1,472,389.62 and 307,647.16

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Solution

The fourth proportional to 981,580.75, 1,472,389.62 and 307,647.16 is: 461,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,580.75 : 1,472,389.62 = 307,647.16 : x
  2. Step 2: Convert to fraction form
    981,580.75/1,472,389.62 = 307,647.16/x
  3. Step 3: Cross multiply
    981,580.75x = 1,472,389.62 × 307,647.16
  4. Step 4: Simplify right side
    981,580.75x = 452,976,485,006.48
  5. Step 5: Solve for x
    x = 452,976,485,006.48/981,580.75
  6. Step 6: Final answer
    x = 461,476.54

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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.