Home / 839,882.78-1,259,813.23-208,802.06

Finding the Fourth Proportional to 839,882.78, 1,259,813.23 and 208,802.06

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Solution

The fourth proportional to 839,882.78, 1,259,813.23 and 208,802.06 is: 313,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,882.78 : 1,259,813.23 = 208,802.06 : x
  2. Step 2: Convert to fraction form
    839,882.78/1,259,813.23 = 208,802.06/x
  3. Step 3: Cross multiply
    839,882.78x = 1,259,813.23 × 208,802.06
  4. Step 4: Simplify right side
    839,882.78x = 263,051,597,639.25
  5. Step 5: Solve for x
    x = 263,051,597,639.25/839,882.78
  6. Step 6: Final answer
    x = 313,200.37

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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.