Home / 681,592.68-1,021,696.38-282,450.60

Finding the Fourth Proportional to 681,592.68, 1,021,696.38 and 282,450.60

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Solution

The fourth proportional to 681,592.68, 1,021,696.38 and 282,450.60 is: 423,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,592.68 : 1,021,696.38 = 282,450.60 : x
  2. Step 2: Convert to fraction form
    681,592.68/1,021,696.38 = 282,450.60/x
  3. Step 3: Cross multiply
    681,592.68x = 1,021,696.38 × 282,450.60
  4. Step 4: Simplify right side
    681,592.68x = 288,578,755,548.83
  5. Step 5: Solve for x
    x = 288,578,755,548.83/681,592.68
  6. Step 6: Final answer
    x = 423,388.87

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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.