Home / 408,051.15-612,076.73-324,070.35

Finding the Fourth Proportional to 408,051.15, 612,076.73 and 324,070.35

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Solution

The fourth proportional to 408,051.15, 612,076.73 and 324,070.35 is: 486,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,051.15 : 612,076.73 = 324,070.35 : x
  2. Step 2: Convert to fraction form
    408,051.15/612,076.73 = 324,070.35/x
  3. Step 3: Cross multiply
    408,051.15x = 612,076.73 × 324,070.35
  4. Step 4: Simplify right side
    408,051.15x = 198,355,918,497.60
  5. Step 5: Solve for x
    x = 198,355,918,497.60/408,051.15
  6. Step 6: Final answer
    x = 486,105.53

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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.