Home / 672,249.06-1,008,529.11-298,301.22

Finding the Fourth Proportional to 672,249.06, 1,008,529.11 and 298,301.22

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Solution

The fourth proportional to 672,249.06, 1,008,529.11 and 298,301.22 is: 447,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,249.06 : 1,008,529.11 = 298,301.22 : x
  2. Step 2: Convert to fraction form
    672,249.06/1,008,529.11 = 298,301.22/x
  3. Step 3: Cross multiply
    672,249.06x = 1,008,529.11 × 298,301.22
  4. Step 4: Simplify right side
    672,249.06x = 300,845,463,918.51
  5. Step 5: Solve for x
    x = 300,845,463,918.51/672,249.06
  6. Step 6: Final answer
    x = 447,520.84

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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.