Finding the Fourth Proportional to 679,593.70, 937,734.33 and 393,140.44
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Solution
The fourth proportional to 679,593.70, 937,734.33 and 393,140.44 is: 542,473.08
Step by Step Solution
- Step 1: Write the proportion equation
679,593.70 : 937,734.33 = 393,140.44 : x - Step 2: Convert to fraction form
679,593.70/937,734.33 = 393,140.44/x - Step 3: Cross multiply
679,593.70x = 937,734.33 × 393,140.44 - Step 4: Simplify right side
679,593.70x = 368,661,287,099.31 - Step 5: Solve for x
x = 368,661,287,099.31/679,593.70 - Step 6: Final answer
x = 542,473.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.