Home / 490,795.11-677,296.44-275,935.59

Finding the Fourth Proportional to 490,795.11, 677,296.44 and 275,935.59

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Solution

The fourth proportional to 490,795.11, 677,296.44 and 275,935.59 is: 380,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,795.11 : 677,296.44 = 275,935.59 : x
  2. Step 2: Convert to fraction form
    490,795.11/677,296.44 = 275,935.59/x
  3. Step 3: Cross multiply
    490,795.11x = 677,296.44 × 275,935.59
  4. Step 4: Simplify right side
    490,795.11x = 186,890,192,776.30
  5. Step 5: Solve for x
    x = 186,890,192,776.30/490,795.11
  6. Step 6: Final answer
    x = 380,790.66

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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.