Home / 626,722.62-939,884.49-205,901.34

Finding the Fourth Proportional to 626,722.62, 939,884.49 and 205,901.34

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Solution

The fourth proportional to 626,722.62, 939,884.49 and 205,901.34 is: 308,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,722.62 : 939,884.49 = 205,901.34 : x
  2. Step 2: Convert to fraction form
    626,722.62/939,884.49 = 205,901.34/x
  3. Step 3: Cross multiply
    626,722.62x = 939,884.49 × 205,901.34
  4. Step 4: Simplify right side
    626,722.62x = 193,523,475,936.22
  5. Step 5: Solve for x
    x = 193,523,475,936.22/626,722.62
  6. Step 6: Final answer
    x = 308,786.49

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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.