Home / 726,735.75-1,090,113.35-228,099.75

Finding the Fourth Proportional to 726,735.75, 1,090,113.35 and 228,099.75

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Solution

The fourth proportional to 726,735.75, 1,090,113.35 and 228,099.75 is: 342,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,735.75 : 1,090,113.35 = 228,099.75 : x
  2. Step 2: Convert to fraction form
    726,735.75/1,090,113.35 = 228,099.75/x
  3. Step 3: Cross multiply
    726,735.75x = 1,090,113.35 × 228,099.75
  4. Step 4: Simplify right side
    726,735.75x = 248,654,581,466.16
  5. Step 5: Solve for x
    x = 248,654,581,466.16/726,735.75
  6. Step 6: Final answer
    x = 342,152.68

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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.