Home / 827,003.06-1,240,676.80-258,361.19

Finding the Fourth Proportional to 827,003.06, 1,240,676.80 and 258,361.19

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Solution

The fourth proportional to 827,003.06, 1,240,676.80 and 258,361.19 is: 387,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,003.06 : 1,240,676.80 = 258,361.19 : x
  2. Step 2: Convert to fraction form
    827,003.06/1,240,676.80 = 258,361.19/x
  3. Step 3: Cross multiply
    827,003.06x = 1,240,676.80 × 258,361.19
  4. Step 4: Simplify right side
    827,003.06x = 320,542,739,235.45
  5. Step 5: Solve for x
    x = 320,542,739,235.45/827,003.06
  6. Step 6: Final answer
    x = 387,595.59

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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.