Home / 681,923.65-1,022,848.38-208,609.01

Finding the Fourth Proportional to 681,923.65, 1,022,848.38 and 208,609.01

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Solution

The fourth proportional to 681,923.65, 1,022,848.38 and 208,609.01 is: 312,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,923.65 : 1,022,848.38 = 208,609.01 : x
  2. Step 2: Convert to fraction form
    681,923.65/1,022,848.38 = 208,609.01/x
  3. Step 3: Cross multiply
    681,923.65x = 1,022,848.38 × 208,609.01
  4. Step 4: Simplify right side
    681,923.65x = 213,375,382,817.66
  5. Step 5: Solve for x
    x = 213,375,382,817.66/681,923.65
  6. Step 6: Final answer
    x = 312,902.16

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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.