Home / 839,914.56-1,259,872.79-208,828.44

Finding the Fourth Proportional to 839,914.56, 1,259,872.79 and 208,828.44

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Solution

The fourth proportional to 839,914.56, 1,259,872.79 and 208,828.44 is: 313,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,914.56 : 1,259,872.79 = 208,828.44 : x
  2. Step 2: Convert to fraction form
    839,914.56/1,259,872.79 = 208,828.44/x
  3. Step 3: Cross multiply
    839,914.56x = 1,259,872.79 × 208,828.44
  4. Step 4: Simplify right side
    839,914.56x = 263,097,268,290.01
  5. Step 5: Solve for x
    x = 263,097,268,290.01/839,914.56
  6. Step 6: Final answer
    x = 313,242.89

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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.