Home / 681,885.76-1,022,664.34-208,575.20

Finding the Fourth Proportional to 681,885.76, 1,022,664.34 and 208,575.20

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Solution

The fourth proportional to 681,885.76, 1,022,664.34 and 208,575.20 is: 312,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,885.76 : 1,022,664.34 = 208,575.20 : x
  2. Step 2: Convert to fraction form
    681,885.76/1,022,664.34 = 208,575.20/x
  3. Step 3: Cross multiply
    681,885.76x = 1,022,664.34 × 208,575.20
  4. Step 4: Simplify right side
    681,885.76x = 213,302,419,248.37
  5. Step 5: Solve for x
    x = 213,302,419,248.37/681,885.76
  6. Step 6: Final answer
    x = 312,812.54

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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.