Home / 981,572.94-1,472,377.87-307,639.33

Finding the Fourth Proportional to 981,572.94, 1,472,377.87 and 307,639.33

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Solution

The fourth proportional to 981,572.94, 1,472,377.87 and 307,639.33 is: 461,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,572.94 : 1,472,377.87 = 307,639.33 : x
  2. Step 2: Convert to fraction form
    981,572.94/1,472,377.87 = 307,639.33/x
  3. Step 3: Cross multiply
    981,572.94x = 1,472,377.87 × 307,639.33
  4. Step 4: Simplify right side
    981,572.94x = 452,961,341,433.63
  5. Step 5: Solve for x
    x = 452,961,341,433.63/981,572.94
  6. Step 6: Final answer
    x = 461,464.78

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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.