Home / 735,091.20-1,101,817.60-419,699.20

Finding the Fourth Proportional to 735,091.20, 1,101,817.60 and 419,699.20

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Solution

The fourth proportional to 735,091.20, 1,101,817.60 and 419,699.20 is: 629,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,091.20 : 1,101,817.60 = 419,699.20 : x
  2. Step 2: Convert to fraction form
    735,091.20/1,101,817.60 = 419,699.20/x
  3. Step 3: Cross multiply
    735,091.20x = 1,101,817.60 × 419,699.20
  4. Step 4: Simplify right side
    735,091.20x = 462,431,965,265.92
  5. Step 5: Solve for x
    x = 462,431,965,265.92/735,091.20
  6. Step 6: Final answer
    x = 629,081.08

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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.