Home / 673,643.12-1,010,103.82-274,078.22

Finding the Fourth Proportional to 673,643.12, 1,010,103.82 and 274,078.22

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Solution

The fourth proportional to 673,643.12, 1,010,103.82 and 274,078.22 is: 410,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,643.12 : 1,010,103.82 = 274,078.22 : x
  2. Step 2: Convert to fraction form
    673,643.12/1,010,103.82 = 274,078.22/x
  3. Step 3: Cross multiply
    673,643.12x = 1,010,103.82 × 274,078.22
  4. Step 4: Simplify right side
    673,643.12x = 276,847,451,265.09
  5. Step 5: Solve for x
    x = 276,847,451,265.09/673,643.12
  6. Step 6: Final answer
    x = 410,970.51

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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.