Home / 938,343.05-1,294,915.59-508,621.23

Finding the Fourth Proportional to 938,343.05, 1,294,915.59 and 508,621.23

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Solution

The fourth proportional to 938,343.05, 1,294,915.59 and 508,621.23 is: 701,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,343.05 : 1,294,915.59 = 508,621.23 : x
  2. Step 2: Convert to fraction form
    938,343.05/1,294,915.59 = 508,621.23/x
  3. Step 3: Cross multiply
    938,343.05x = 1,294,915.59 × 508,621.23
  4. Step 4: Simplify right side
    938,343.05x = 658,621,560,131.98
  5. Step 5: Solve for x
    x = 658,621,560,131.98/938,343.05
  6. Step 6: Final answer
    x = 701,898.48

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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.