Finding the Fourth Proportional to 741,201.24, 1,111,615.92 and 285,701.04
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Solution
The fourth proportional to 741,201.24, 1,111,615.92 and 285,701.04 is: 428,479.89
Step by Step Solution
- Step 1: Write the proportion equation
741,201.24 : 1,111,615.92 = 285,701.04 : x - Step 2: Convert to fraction form
741,201.24/1,111,615.92 = 285,701.04/x - Step 3: Cross multiply
741,201.24x = 1,111,615.92 × 285,701.04 - Step 4: Simplify right side
741,201.24x = 317,589,824,424.56 - Step 5: Solve for x
x = 317,589,824,424.56/741,201.24 - Step 6: Final answer
x = 428,479.89
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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.