Home / 550,583.27-759,829.94-321,145.10

Finding the Fourth Proportional to 550,583.27, 759,829.94 and 321,145.10

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Solution

The fourth proportional to 550,583.27, 759,829.94 and 321,145.10 is: 443,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,583.27 : 759,829.94 = 321,145.10 : x
  2. Step 2: Convert to fraction form
    550,583.27/759,829.94 = 321,145.10/x
  3. Step 3: Cross multiply
    550,583.27x = 759,829.94 × 321,145.10
  4. Step 4: Simplify right side
    550,583.27x = 244,015,659,068.01
  5. Step 5: Solve for x
    x = 244,015,659,068.01/550,583.27
  6. Step 6: Final answer
    x = 443,194.83

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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.