Home / 839,892.07-1,259,842.73-208,805.89

Finding the Fourth Proportional to 839,892.07, 1,259,842.73 and 208,805.89

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Solution

The fourth proportional to 839,892.07, 1,259,842.73 and 208,805.89 is: 313,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,892.07 : 1,259,842.73 = 208,805.89 : x
  2. Step 2: Convert to fraction form
    839,892.07/1,259,842.73 = 208,805.89/x
  3. Step 3: Cross multiply
    839,892.07x = 1,259,842.73 × 208,805.89
  4. Step 4: Simplify right side
    839,892.07x = 263,062,582,497.68
  5. Step 5: Solve for x
    x = 263,062,582,497.68/839,892.07
  6. Step 6: Final answer
    x = 313,209.98

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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.