Finding the Fourth Proportional to 800,611.27, 1,104,734.44 and 478,252.94
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Solution
The fourth proportional to 800,611.27, 1,104,734.44 and 478,252.94 is: 659,923.88
Step by Step Solution
- Step 1: Write the proportion equation
800,611.27 : 1,104,734.44 = 478,252.94 : x - Step 2: Convert to fraction form
800,611.27/1,104,734.44 = 478,252.94/x - Step 3: Cross multiply
800,611.27x = 1,104,734.44 × 478,252.94 - Step 4: Simplify right side
800,611.27x = 528,342,493,849.25 - Step 5: Solve for x
x = 528,342,493,849.25/800,611.27 - Step 6: Final answer
x = 659,923.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.