Home / 490,790.80-677,332.22-273,040.50

Finding the Fourth Proportional to 490,790.80, 677,332.22 and 273,040.50

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Solution

The fourth proportional to 490,790.80, 677,332.22 and 273,040.50 is: 376,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,790.80 : 677,332.22 = 273,040.50 : x
  2. Step 2: Convert to fraction form
    490,790.80/677,332.22 = 273,040.50/x
  3. Step 3: Cross multiply
    490,790.80x = 677,332.22 × 273,040.50
  4. Step 4: Simplify right side
    490,790.80x = 184,939,128,014.91
  5. Step 5: Solve for x
    x = 184,939,128,014.91/490,790.80
  6. Step 6: Final answer
    x = 376,818.65

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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.