Home / 681,606.63-1,022,412.38-208,290.02

Finding the Fourth Proportional to 681,606.63, 1,022,412.38 and 208,290.02

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Solution

The fourth proportional to 681,606.63, 1,022,412.38 and 208,290.02 is: 312,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,606.63 : 1,022,412.38 = 208,290.02 : x
  2. Step 2: Convert to fraction form
    681,606.63/1,022,412.38 = 208,290.02/x
  3. Step 3: Cross multiply
    681,606.63x = 1,022,412.38 × 208,290.02
  4. Step 4: Simplify right side
    681,606.63x = 212,958,288,924.94
  5. Step 5: Solve for x
    x = 212,958,288,924.94/681,606.63
  6. Step 6: Final answer
    x = 312,435.77

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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.