Finding the Fourth Proportional to 744,243.43, 1,115,368.70 and 364,582.97
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Solution
The fourth proportional to 744,243.43, 1,115,368.70 and 364,582.97 is: 546,386.32
Step by Step Solution
- Step 1: Write the proportion equation
744,243.43 : 1,115,368.70 = 364,582.97 : x - Step 2: Convert to fraction form
744,243.43/1,115,368.70 = 364,582.97/x - Step 3: Cross multiply
744,243.43x = 1,115,368.70 × 364,582.97 - Step 4: Simplify right side
744,243.43x = 406,644,425,891.28 - Step 5: Solve for x
x = 406,644,425,891.28/744,243.43 - Step 6: Final answer
x = 546,386.32
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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.