Home / 490,571.01-676,988.54-272,777.33

Finding the Fourth Proportional to 490,571.01, 676,988.54 and 272,777.33

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Solution

The fourth proportional to 490,571.01, 676,988.54 and 272,777.33 is: 376,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,571.01 : 676,988.54 = 272,777.33 : x
  2. Step 2: Convert to fraction form
    490,571.01/676,988.54 = 272,777.33/x
  3. Step 3: Cross multiply
    490,571.01x = 676,988.54 × 272,777.33
  4. Step 4: Simplify right side
    490,571.01x = 184,667,125,017.91
  5. Step 5: Solve for x
    x = 184,667,125,017.91/490,571.01
  6. Step 6: Final answer
    x = 376,433.02

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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.