Finding the Fourth Proportional to 727,007.97, 1,090,428.51 and 194,570.55
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Solution
The fourth proportional to 727,007.97, 1,090,428.51 and 194,570.55 is: 291,833.49
Step by Step Solution
- Step 1: Write the proportion equation
727,007.97 : 1,090,428.51 = 194,570.55 : x - Step 2: Convert to fraction form
727,007.97/1,090,428.51 = 194,570.55/x - Step 3: Cross multiply
727,007.97x = 1,090,428.51 × 194,570.55 - Step 4: Simplify right side
727,007.97x = 212,165,274,926.38 - Step 5: Solve for x
x = 212,165,274,926.38/727,007.97 - Step 6: Final answer
x = 291,833.49
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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.