Finding the Fourth Proportional to 972,611.75, 1,342,160.99 and 542,882.05
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Solution
The fourth proportional to 972,611.75, 1,342,160.99 and 542,882.05 is: 749,153.10
Step by Step Solution
- Step 1: Write the proportion equation
972,611.75 : 1,342,160.99 = 542,882.05 : x - Step 2: Convert to fraction form
972,611.75/1,342,160.99 = 542,882.05/x - Step 3: Cross multiply
972,611.75x = 1,342,160.99 × 542,882.05 - Step 4: Simplify right side
972,611.75x = 728,635,105,647.23 - Step 5: Solve for x
x = 728,635,105,647.23/972,611.75 - Step 6: Final answer
x = 749,153.10
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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.