Finding the Fourth Proportional to 493,655.70, 738,611.55 and 327,767.70
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Solution
The fourth proportional to 493,655.70, 738,611.55 and 327,767.70 is: 490,408.62
Step by Step Solution
- Step 1: Write the proportion equation
493,655.70 : 738,611.55 = 327,767.70 : x - Step 2: Convert to fraction form
493,655.70/738,611.55 = 327,767.70/x - Step 3: Cross multiply
493,655.70x = 738,611.55 × 327,767.70 - Step 4: Simplify right side
493,655.70x = 242,093,008,936.94 - Step 5: Solve for x
x = 242,093,008,936.94/493,655.70 - Step 6: Final answer
x = 490,408.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.