Home / 726,853.89-1,090,324.59-228,217.89

Finding the Fourth Proportional to 726,853.89, 1,090,324.59 and 228,217.89

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Solution

The fourth proportional to 726,853.89, 1,090,324.59 and 228,217.89 is: 342,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,853.89 : 1,090,324.59 = 228,217.89 : x
  2. Step 2: Convert to fraction form
    726,853.89/1,090,324.59 = 228,217.89/x
  3. Step 3: Cross multiply
    726,853.89x = 1,090,324.59 × 228,217.89
  4. Step 4: Simplify right side
    726,853.89x = 248,831,577,344.92
  5. Step 5: Solve for x
    x = 248,831,577,344.92/726,853.89
  6. Step 6: Final answer
    x = 342,340.57

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1.5x scale

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.