Finding the Fourth Proportional to 757,042.09, 1,135,230.93 and 283,395.30
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Solution
The fourth proportional to 757,042.09, 1,135,230.93 and 283,395.30 is: 424,968.59
Step by Step Solution
- Step 1: Write the proportion equation
757,042.09 : 1,135,230.93 = 283,395.30 : x - Step 2: Convert to fraction form
757,042.09/1,135,230.93 = 283,395.30/x - Step 3: Cross multiply
757,042.09x = 1,135,230.93 × 283,395.30 - Step 4: Simplify right side
757,042.09x = 321,719,109,976.63 - Step 5: Solve for x
x = 321,719,109,976.63/757,042.09 - Step 6: Final answer
x = 424,968.59
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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.