Home / 325,664.40-488,496.60-308,557.20

Finding the Fourth Proportional to 325,664.40, 488,496.60 and 308,557.20

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Solution

The fourth proportional to 325,664.40, 488,496.60 and 308,557.20 is: 462,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,664.40 : 488,496.60 = 308,557.20 : x
  2. Step 2: Convert to fraction form
    325,664.40/488,496.60 = 308,557.20/x
  3. Step 3: Cross multiply
    325,664.40x = 488,496.60 × 308,557.20
  4. Step 4: Simplify right side
    325,664.40x = 150,729,143,105.52
  5. Step 5: Solve for x
    x = 150,729,143,105.52/325,664.40
  6. Step 6: Final answer
    x = 462,835.80

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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.