Finding the Fourth Proportional to 722,362.22, 1,083,553.91 and 343,321.63
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Solution
The fourth proportional to 722,362.22, 1,083,553.91 and 343,321.63 is: 514,987.47
Step by Step Solution
- Step 1: Write the proportion equation
722,362.22 : 1,083,553.91 = 343,321.63 : x - Step 2: Convert to fraction form
722,362.22/1,083,553.91 = 343,321.63/x - Step 3: Cross multiply
722,362.22x = 1,083,553.91 × 343,321.63 - Step 4: Simplify right side
722,362.22x = 372,007,492,723.49 - Step 5: Solve for x
x = 372,007,492,723.49/722,362.22 - Step 6: Final answer
x = 514,987.47
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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.