Home / 490,768.37-677,253.15-272,974.76

Finding the Fourth Proportional to 490,768.37, 677,253.15 and 272,974.76

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Solution

The fourth proportional to 490,768.37, 677,253.15 and 272,974.76 is: 376,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,768.37 : 677,253.15 = 272,974.76 : x
  2. Step 2: Convert to fraction form
    490,768.37/677,253.15 = 272,974.76/x
  3. Step 3: Cross multiply
    490,768.37x = 677,253.15 × 272,974.76
  4. Step 4: Simplify right side
    490,768.37x = 184,873,015,233.93
  5. Step 5: Solve for x
    x = 184,873,015,233.93/490,768.37
  6. Step 6: Final answer
    x = 376,701.16

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1.5x scale

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.