Home / 668,814.40-1,003,183.44-489,083.68

Finding the Fourth Proportional to 668,814.40, 1,003,183.44 and 489,083.68

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Solution

The fourth proportional to 668,814.40, 1,003,183.44 and 489,083.68 is: 733,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,814.40 : 1,003,183.44 = 489,083.68 : x
  2. Step 2: Convert to fraction form
    668,814.40/1,003,183.44 = 489,083.68/x
  3. Step 3: Cross multiply
    668,814.40x = 1,003,183.44 × 489,083.68
  4. Step 4: Simplify right side
    668,814.40x = 490,640,648,550.26
  5. Step 5: Solve for x
    x = 490,640,648,550.26/668,814.40
  6. Step 6: Final answer
    x = 733,597.61

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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.