Finding the Fourth Proportional to 663,861.65, 995,790.96 and 284,536.43
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Solution
The fourth proportional to 663,861.65, 995,790.96 and 284,536.43 is: 426,803.99
Step by Step Solution
- Step 1: Write the proportion equation
663,861.65 : 995,790.96 = 284,536.43 : x - Step 2: Convert to fraction form
663,861.65/995,790.96 = 284,536.43/x - Step 3: Cross multiply
663,861.65x = 995,790.96 × 284,536.43 - Step 4: Simplify right side
663,861.65x = 283,338,798,383.04 - Step 5: Solve for x
x = 283,338,798,383.04/663,861.65 - Step 6: Final answer
x = 426,803.99
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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.