Home / 681,912.12-1,022,831.30-208,597.52

Finding the Fourth Proportional to 681,912.12, 1,022,831.30 and 208,597.52

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Solution

The fourth proportional to 681,912.12, 1,022,831.30 and 208,597.52 is: 312,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,912.12 : 1,022,831.30 = 208,597.52 : x
  2. Step 2: Convert to fraction form
    681,912.12/1,022,831.30 = 208,597.52/x
  3. Step 3: Cross multiply
    681,912.12x = 1,022,831.30 × 208,597.52
  4. Step 4: Simplify right side
    681,912.12x = 213,360,072,558.38
  5. Step 5: Solve for x
    x = 213,360,072,558.38/681,912.12
  6. Step 6: Final answer
    x = 312,885.00

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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.