Home / 490,952.01-677,517.83-276,090.19

Finding the Fourth Proportional to 490,952.01, 677,517.83 and 276,090.19

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Solution

The fourth proportional to 490,952.01, 677,517.83 and 276,090.19 is: 381,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,952.01 : 677,517.83 = 276,090.19 : x
  2. Step 2: Convert to fraction form
    490,952.01/677,517.83 = 276,090.19/x
  3. Step 3: Cross multiply
    490,952.01x = 677,517.83 × 276,090.19
  4. Step 4: Simplify right side
    490,952.01x = 187,056,026,413.09
  5. Step 5: Solve for x
    x = 187,056,026,413.09/490,952.01
  6. Step 6: Final answer
    x = 381,006.74

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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.