Home / 681,923.70-1,022,848.47-208,609.05

Finding the Fourth Proportional to 681,923.70, 1,022,848.47 and 208,609.05

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Solution

The fourth proportional to 681,923.70, 1,022,848.47 and 208,609.05 is: 312,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,923.70 : 1,022,848.47 = 208,609.05 : x
  2. Step 2: Convert to fraction form
    681,923.70/1,022,848.47 = 208,609.05/x
  3. Step 3: Cross multiply
    681,923.70x = 1,022,848.47 × 208,609.05
  4. Step 4: Simplify right side
    681,923.70x = 213,375,451,456.34
  5. Step 5: Solve for x
    x = 213,375,451,456.34/681,923.70
  6. Step 6: Final answer
    x = 312,902.24

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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.