Finding the Fourth Proportional to 534,523.19, 737,653.88 and 305,075.84
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Solution
The fourth proportional to 534,523.19, 737,653.88 and 305,075.84 is: 421,011.43
Step by Step Solution
- Step 1: Write the proportion equation
534,523.19 : 737,653.88 = 305,075.84 : x - Step 2: Convert to fraction form
534,523.19/737,653.88 = 305,075.84/x - Step 3: Cross multiply
534,523.19x = 737,653.88 × 305,075.84 - Step 4: Simplify right side
534,523.19x = 225,040,371,856.61 - Step 5: Solve for x
x = 225,040,371,856.61/534,523.19 - Step 6: Final answer
x = 421,011.43
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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.