Home / 721,290.37-1,081,991.82-241,519.98

Finding the Fourth Proportional to 721,290.37, 1,081,991.82 and 241,519.98

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Solution

The fourth proportional to 721,290.37, 1,081,991.82 and 241,519.98 is: 362,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,290.37 : 1,081,991.82 = 241,519.98 : x
  2. Step 2: Convert to fraction form
    721,290.37/1,081,991.82 = 241,519.98/x
  3. Step 3: Cross multiply
    721,290.37x = 1,081,991.82 × 241,519.98
  4. Step 4: Simplify right side
    721,290.37x = 261,322,641,603.53
  5. Step 5: Solve for x
    x = 261,322,641,603.53/721,290.37
  6. Step 6: Final answer
    x = 362,298.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.