Home / 907,696.62-1,252,611-499,789.94

Finding the Fourth Proportional to 907,696.62, 1,252,611 and 499,789.94

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Solution

The fourth proportional to 907,696.62, 1,252,611 and 499,789.94 is: 689,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,696.62 : 1,252,611 = 499,789.94 : x
  2. Step 2: Convert to fraction form
    907,696.62/1,252,611 = 499,789.94/x
  3. Step 3: Cross multiply
    907,696.62x = 1,252,611 × 499,789.94
  4. Step 4: Simplify right side
    907,696.62x = 626,042,370,270.29
  5. Step 5: Solve for x
    x = 626,042,370,270.29/907,696.62
  6. Step 6: Final answer
    x = 689,704.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.