Finding the Fourth Proportional to 963,942.27, 1,330,186.30 and 528,276.63
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Solution
The fourth proportional to 963,942.27, 1,330,186.30 and 528,276.63 is: 728,992.14
Step by Step Solution
- Step 1: Write the proportion equation
963,942.27 : 1,330,186.30 = 528,276.63 : x - Step 2: Convert to fraction form
963,942.27/1,330,186.30 = 528,276.63/x - Step 3: Cross multiply
963,942.27x = 1,330,186.30 × 528,276.63 - Step 4: Simplify right side
963,942.27x = 702,706,342,475.23 - Step 5: Solve for x
x = 702,706,342,475.23/963,942.27 - Step 6: Final answer
x = 728,992.14
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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.