Home / 680,102.24-938,541.03-374,172.03

Finding the Fourth Proportional to 680,102.24, 938,541.03 and 374,172.03

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Solution

The fourth proportional to 680,102.24, 938,541.03 and 374,172.03 is: 516,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,102.24 : 938,541.03 = 374,172.03 : x
  2. Step 2: Convert to fraction form
    680,102.24/938,541.03 = 374,172.03/x
  3. Step 3: Cross multiply
    680,102.24x = 938,541.03 × 374,172.03
  4. Step 4: Simplify right side
    680,102.24x = 351,175,802,433.39
  5. Step 5: Solve for x
    x = 351,175,802,433.39/680,102.24
  6. Step 6: Final answer
    x = 516,357.37

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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.