Finding the Fourth Proportional to 543,201.80, 814,802.70 and 403,233.80
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Solution
The fourth proportional to 543,201.80, 814,802.70 and 403,233.80 is: 604,850.70
Step by Step Solution
- Step 1: Write the proportion equation
543,201.80 : 814,802.70 = 403,233.80 : x - Step 2: Convert to fraction form
543,201.80/814,802.70 = 403,233.80/x - Step 3: Cross multiply
543,201.80x = 814,802.70 × 403,233.80 - Step 4: Simplify right side
543,201.80x = 328,555,988,971.26 - Step 5: Solve for x
x = 328,555,988,971.26/543,201.80 - Step 6: Final answer
x = 604,850.70
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1.5x scale
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.