Home / 775,284.07-1,162,981.52-206,662.25

Finding the Fourth Proportional to 775,284.07, 1,162,981.52 and 206,662.25

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Solution

The fourth proportional to 775,284.07, 1,162,981.52 and 206,662.25 is: 310,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,284.07 : 1,162,981.52 = 206,662.25 : x
  2. Step 2: Convert to fraction form
    775,284.07/1,162,981.52 = 206,662.25/x
  3. Step 3: Cross multiply
    775,284.07x = 1,162,981.52 × 206,662.25
  4. Step 4: Simplify right side
    775,284.07x = 240,344,375,955.66
  5. Step 5: Solve for x
    x = 240,344,375,955.66/775,284.07
  6. Step 6: Final answer
    x = 310,008.14

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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.