Home / 628,599.23-867,466.94-342,121.37

Finding the Fourth Proportional to 628,599.23, 867,466.94 and 342,121.37

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Solution

The fourth proportional to 628,599.23, 867,466.94 and 342,121.37 is: 472,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,599.23 : 867,466.94 = 342,121.37 : x
  2. Step 2: Convert to fraction form
    628,599.23/867,466.94 = 342,121.37/x
  3. Step 3: Cross multiply
    628,599.23x = 867,466.94 × 342,121.37
  4. Step 4: Simplify right side
    628,599.23x = 296,778,979,660.72
  5. Step 5: Solve for x
    x = 296,778,979,660.72/628,599.23
  6. Step 6: Final answer
    x = 472,127.49

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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.