Home / 628,600.23-867,468.32-342,122.37

Finding the Fourth Proportional to 628,600.23, 867,468.32 and 342,122.37

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Solution

The fourth proportional to 628,600.23, 867,468.32 and 342,122.37 is: 472,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,600.23 : 867,468.32 = 342,122.37 : x
  2. Step 2: Convert to fraction form
    628,600.23/867,468.32 = 342,122.37/x
  3. Step 3: Cross multiply
    628,600.23x = 867,468.32 × 342,122.37
  4. Step 4: Simplify right side
    628,600.23x = 296,780,317,538.32
  5. Step 5: Solve for x
    x = 296,780,317,538.32/628,600.23
  6. Step 6: Final answer
    x = 472,128.87

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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.