Finding the Fourth Proportional to 557,674.36, 769,793.70 and 343,102.12
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Solution
The fourth proportional to 557,674.36, 769,793.70 and 343,102.12 is: 473,605.87
Step by Step Solution
- Step 1: Write the proportion equation
557,674.36 : 769,793.70 = 343,102.12 : x - Step 2: Convert to fraction form
557,674.36/769,793.70 = 343,102.12/x - Step 3: Cross multiply
557,674.36x = 769,793.70 × 343,102.12 - Step 4: Simplify right side
557,674.36x = 264,117,850,432.64 - Step 5: Solve for x
x = 264,117,850,432.64/557,674.36 - Step 6: Final answer
x = 473,605.87
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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.