Finding the Fourth Proportional to 748,611.51, 1,121,855.75 and 579,343.88
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Solution
The fourth proportional to 748,611.51, 1,121,855.75 and 579,343.88 is: 868,194.32
Step by Step Solution
- Step 1: Write the proportion equation
748,611.51 : 1,121,855.75 = 579,343.88 : x - Step 2: Convert to fraction form
748,611.51/1,121,855.75 = 579,343.88/x - Step 3: Cross multiply
748,611.51x = 1,121,855.75 × 579,343.88 - Step 4: Simplify right side
748,611.51x = 649,940,263,005.31 - Step 5: Solve for x
x = 649,940,263,005.31/748,611.51 - Step 6: Final answer
x = 868,194.32
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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.