Home / 490,982.48-677,549.40-276,122.48

Finding the Fourth Proportional to 490,982.48, 677,549.40 and 276,122.48

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Solution

The fourth proportional to 490,982.48, 677,549.40 and 276,122.48 is: 381,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,982.48 : 677,549.40 = 276,122.48 : x
  2. Step 2: Convert to fraction form
    490,982.48/677,549.40 = 276,122.48/x
  3. Step 3: Cross multiply
    490,982.48x = 677,549.40 × 276,122.48
  4. Step 4: Simplify right side
    490,982.48x = 187,086,620,650.51
  5. Step 5: Solve for x
    x = 187,086,620,650.51/490,982.48
  6. Step 6: Final answer
    x = 381,045.41

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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.