Home / 398,760.03-598,388.99-265,733.60

Finding the Fourth Proportional to 398,760.03, 598,388.99 and 265,733.60

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Solution

The fourth proportional to 398,760.03, 598,388.99 and 265,733.60 is: 398,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,760.03 : 598,388.99 = 265,733.60 : x
  2. Step 2: Convert to fraction form
    398,760.03/598,388.99 = 265,733.60/x
  3. Step 3: Cross multiply
    398,760.03x = 598,388.99 × 265,733.60
  4. Step 4: Simplify right side
    398,760.03x = 159,012,056,192.45
  5. Step 5: Solve for x
    x = 159,012,056,192.45/398,760.03
  6. Step 6: Final answer
    x = 398,766.29

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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.