Finding the Fourth Proportional to 534,738.74, 737,939.25 and 296,274.74
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Solution
The fourth proportional to 534,738.74, 737,939.25 and 296,274.74 is: 408,859.02
Step by Step Solution
- Step 1: Write the proportion equation
534,738.74 : 737,939.25 = 296,274.74 : x - Step 2: Convert to fraction form
534,738.74/737,939.25 = 296,274.74/x - Step 3: Cross multiply
534,738.74x = 737,939.25 × 296,274.74 - Step 4: Simplify right side
534,738.74x = 218,632,759,429.55 - Step 5: Solve for x
x = 218,632,759,429.55/534,738.74 - Step 6: Final answer
x = 408,859.02
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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.