Home / 726,837.12-1,090,359.36-228,240

Finding the Fourth Proportional to 726,837.12, 1,090,359.36 and 228,240

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Solution

The fourth proportional to 726,837.12, 1,090,359.36 and 228,240 is: 342,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,837.12 : 1,090,359.36 = 228,240 : x
  2. Step 2: Convert to fraction form
    726,837.12/1,090,359.36 = 228,240/x
  3. Step 3: Cross multiply
    726,837.12x = 1,090,359.36 × 228,240
  4. Step 4: Simplify right side
    726,837.12x = 248,863,620,326.40
  5. Step 5: Solve for x
    x = 248,863,620,326.40/726,837.12
  6. Step 6: Final answer
    x = 342,392.56

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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.