Home / 675,928.06-932,716.92-403,941.80

Finding the Fourth Proportional to 675,928.06, 932,716.92 and 403,941.80

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Solution

The fourth proportional to 675,928.06, 932,716.92 and 403,941.80 is: 557,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,928.06 : 932,716.92 = 403,941.80 : x
  2. Step 2: Convert to fraction form
    675,928.06/932,716.92 = 403,941.80/x
  3. Step 3: Cross multiply
    675,928.06x = 932,716.92 × 403,941.80
  4. Step 4: Simplify right side
    675,928.06x = 376,763,355,401.83
  5. Step 5: Solve for x
    x = 376,763,355,401.83/675,928.06
  6. Step 6: Final answer
    x = 557,401.56

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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.