Home / 867,627.25-1,301,706.65-388,258.41

Finding the Fourth Proportional to 867,627.25, 1,301,706.65 and 388,258.41

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Solution

The fourth proportional to 867,627.25, 1,301,706.65 and 388,258.41 is: 582,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,627.25 : 1,301,706.65 = 388,258.41 : x
  2. Step 2: Convert to fraction form
    867,627.25/1,301,706.65 = 388,258.41/x
  3. Step 3: Cross multiply
    867,627.25x = 1,301,706.65 × 388,258.41
  4. Step 4: Simplify right side
    867,627.25x = 505,398,560,067.47
  5. Step 5: Solve for x
    x = 505,398,560,067.47/867,627.25
  6. Step 6: Final answer
    x = 582,506.56

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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.