Home / 873,545.86-1,310,634.09-305,010.73

Finding the Fourth Proportional to 873,545.86, 1,310,634.09 and 305,010.73

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Solution

The fourth proportional to 873,545.86, 1,310,634.09 and 305,010.73 is: 457,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,545.86 : 1,310,634.09 = 305,010.73 : x
  2. Step 2: Convert to fraction form
    873,545.86/1,310,634.09 = 305,010.73/x
  3. Step 3: Cross multiply
    873,545.86x = 1,310,634.09 × 305,010.73
  4. Step 4: Simplify right side
    873,545.86x = 399,757,460,553.79
  5. Step 5: Solve for x
    x = 399,757,460,553.79/873,545.86
  6. Step 6: Final answer
    x = 457,626.19

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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.