Home / 775,561.26-1,164,431.81-396,753.73

Finding the Fourth Proportional to 775,561.26, 1,164,431.81 and 396,753.73

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Solution

The fourth proportional to 775,561.26, 1,164,431.81 and 396,753.73 is: 595,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,561.26 : 1,164,431.81 = 396,753.73 : x
  2. Step 2: Convert to fraction form
    775,561.26/1,164,431.81 = 396,753.73/x
  3. Step 3: Cross multiply
    775,561.26x = 1,164,431.81 × 396,753.73
  4. Step 4: Simplify right side
    775,561.26x = 461,992,663,948.15
  5. Step 5: Solve for x
    x = 461,992,663,948.15/775,561.26
  6. Step 6: Final answer
    x = 595,688.17

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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.