Finding the Fourth Proportional to 729,412.12, 1,093,369.74 and 280,011.98
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Solution
The fourth proportional to 729,412.12, 1,093,369.74 and 280,011.98 is: 419,730.65
Step by Step Solution
- Step 1: Write the proportion equation
729,412.12 : 1,093,369.74 = 280,011.98 : x - Step 2: Convert to fraction form
729,412.12/1,093,369.74 = 280,011.98/x - Step 3: Cross multiply
729,412.12x = 1,093,369.74 × 280,011.98 - Step 4: Simplify right side
729,412.12x = 306,156,625,769.49 - Step 5: Solve for x
x = 306,156,625,769.49/729,412.12 - Step 6: Final answer
x = 419,730.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.