Home / 805,629.07-1,111,745.94-443,052.82

Finding the Fourth Proportional to 805,629.07, 1,111,745.94 and 443,052.82

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Solution

The fourth proportional to 805,629.07, 1,111,745.94 and 443,052.82 is: 611,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,629.07 : 1,111,745.94 = 443,052.82 : x
  2. Step 2: Convert to fraction form
    805,629.07/1,111,745.94 = 443,052.82/x
  3. Step 3: Cross multiply
    805,629.07x = 1,111,745.94 × 443,052.82
  4. Step 4: Simplify right side
    805,629.07x = 492,562,173,840.55
  5. Step 5: Solve for x
    x = 492,562,173,840.55/805,629.07
  6. Step 6: Final answer
    x = 611,400.70

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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.