Home / 490,674.30-677,134.27-272,886.02

Finding the Fourth Proportional to 490,674.30, 677,134.27 and 272,886.02

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Solution

The fourth proportional to 490,674.30, 677,134.27 and 272,886.02 is: 376,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,674.30 : 677,134.27 = 272,886.02 : x
  2. Step 2: Convert to fraction form
    490,674.30/677,134.27 = 272,886.02/x
  3. Step 3: Cross multiply
    490,674.30x = 677,134.27 × 272,886.02
  4. Step 4: Simplify right side
    490,674.30x = 184,780,475,945.91
  5. Step 5: Solve for x
    x = 184,780,475,945.91/490,674.30
  6. Step 6: Final answer
    x = 376,584.79

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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.