Home / 652,516.25-979,131.13-253,172.78

Finding the Fourth Proportional to 652,516.25, 979,131.13 and 253,172.78

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Solution

The fourth proportional to 652,516.25, 979,131.13 and 253,172.78 is: 379,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,516.25 : 979,131.13 = 253,172.78 : x
  2. Step 2: Convert to fraction form
    652,516.25/979,131.13 = 253,172.78/x
  3. Step 3: Cross multiply
    652,516.25x = 979,131.13 × 253,172.78
  4. Step 4: Simplify right side
    652,516.25x = 247,889,351,981.54
  5. Step 5: Solve for x
    x = 247,889,351,981.54/652,516.25
  6. Step 6: Final answer
    x = 379,897.59

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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.