Home / 490,917.14-677,461.40-276,052.62

Finding the Fourth Proportional to 490,917.14, 677,461.40 and 276,052.62

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Solution

The fourth proportional to 490,917.14, 677,461.40 and 276,052.62 is: 380,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,917.14 : 677,461.40 = 276,052.62 : x
  2. Step 2: Convert to fraction form
    490,917.14/677,461.40 = 276,052.62/x
  3. Step 3: Cross multiply
    490,917.14x = 677,461.40 × 276,052.62
  4. Step 4: Simplify right side
    490,917.14x = 187,014,994,418.87
  5. Step 5: Solve for x
    x = 187,014,994,418.87/490,917.14
  6. Step 6: Final answer
    x = 380,950.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.