Finding the Fourth Proportional to 746,837.22, 1,120,698.84 and 699,551.96
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Solution
The fourth proportional to 746,837.22, 1,120,698.84 and 699,551.96 is: 1,049,742.90
Step by Step Solution
- Step 1: Write the proportion equation
746,837.22 : 1,120,698.84 = 699,551.96 : x - Step 2: Convert to fraction form
746,837.22/1,120,698.84 = 699,551.96/x - Step 3: Cross multiply
746,837.22x = 1,120,698.84 × 699,551.96 - Step 4: Simplify right side
746,837.22x = 783,987,070,091.73 - Step 5: Solve for x
x = 783,987,070,091.73/746,837.22 - Step 6: Final answer
x = 1,049,742.90
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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.