Finding the Fourth Proportional to 828,581.68, 1,241,369.88 and 379,677.52
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Solution
The fourth proportional to 828,581.68, 1,241,369.88 and 379,677.52 is: 568,827.73
Step by Step Solution
- Step 1: Write the proportion equation
828,581.68 : 1,241,369.88 = 379,677.52 : x - Step 2: Convert to fraction form
828,581.68/1,241,369.88 = 379,677.52/x - Step 3: Cross multiply
828,581.68x = 1,241,369.88 × 379,677.52 - Step 4: Simplify right side
828,581.68x = 471,320,237,441.10 - Step 5: Solve for x
x = 471,320,237,441.10/828,581.68 - Step 6: Final answer
x = 568,827.73
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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.