Home / 722,106.98-1,081,441.25-417,859.77

Finding the Fourth Proportional to 722,106.98, 1,081,441.25 and 417,859.77

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Solution

The fourth proportional to 722,106.98, 1,081,441.25 and 417,859.77 is: 625,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,106.98 : 1,081,441.25 = 417,859.77 : x
  2. Step 2: Convert to fraction form
    722,106.98/1,081,441.25 = 417,859.77/x
  3. Step 3: Cross multiply
    722,106.98x = 1,081,441.25 × 417,859.77
  4. Step 4: Simplify right side
    722,106.98x = 451,890,790,856.88
  5. Step 5: Solve for x
    x = 451,890,790,856.88/722,106.98
  6. Step 6: Final answer
    x = 625,794.79

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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.