Home / 805,558.37-1,111,699.09-443,009.82

Finding the Fourth Proportional to 805,558.37, 1,111,699.09 and 443,009.82

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Solution

The fourth proportional to 805,558.37, 1,111,699.09 and 443,009.82 is: 611,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,558.37 : 1,111,699.09 = 443,009.82 : x
  2. Step 2: Convert to fraction form
    805,558.37/1,111,699.09 = 443,009.82/x
  3. Step 3: Cross multiply
    805,558.37x = 1,111,699.09 × 443,009.82
  4. Step 4: Simplify right side
    805,558.37x = 492,493,613,755.06
  5. Step 5: Solve for x
    x = 492,493,613,755.06/805,558.37
  6. Step 6: Final answer
    x = 611,369.25

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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.