Home / 726,837.12-1,090,265.28-228,201.12

Finding the Fourth Proportional to 726,837.12, 1,090,265.28 and 228,201.12

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Solution

The fourth proportional to 726,837.12, 1,090,265.28 and 228,201.12 is: 342,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,837.12 : 1,090,265.28 = 228,201.12 : x
  2. Step 2: Convert to fraction form
    726,837.12/1,090,265.28 = 228,201.12/x
  3. Step 3: Cross multiply
    726,837.12x = 1,090,265.28 × 228,201.12
  4. Step 4: Simplify right side
    726,837.12x = 248,799,757,993.11
  5. Step 5: Solve for x
    x = 248,799,757,993.11/726,837.12
  6. Step 6: Final answer
    x = 342,304.69

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Similar ratio
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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.