Finding the Fourth Proportional to 534,402.72, 737,120.84 and 343,657.44
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Solution
The fourth proportional to 534,402.72, 737,120.84 and 343,657.44 is: 474,019.03
Step by Step Solution
- Step 1: Write the proportion equation
534,402.72 : 737,120.84 = 343,657.44 : x - Step 2: Convert to fraction form
534,402.72/737,120.84 = 343,657.44/x - Step 3: Cross multiply
534,402.72x = 737,120.84 × 343,657.44 - Step 4: Simplify right side
534,402.72x = 253,317,060,845.05 - Step 5: Solve for x
x = 253,317,060,845.05/534,402.72 - Step 6: Final answer
x = 474,019.03
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1.5x scale
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.