Finding the Fourth Proportional to 663,639.03, 995,349.19 and 284,620.99
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Solution
The fourth proportional to 663,639.03, 995,349.19 and 284,620.99 is: 426,884.58
Step by Step Solution
- Step 1: Write the proportion equation
663,639.03 : 995,349.19 = 284,620.99 : x - Step 2: Convert to fraction form
663,639.03/995,349.19 = 284,620.99/x - Step 3: Cross multiply
663,639.03x = 995,349.19 × 284,620.99 - Step 4: Simplify right side
663,639.03x = 283,297,271,853.50 - Step 5: Solve for x
x = 283,297,271,853.50/663,639.03 - Step 6: Final answer
x = 426,884.58
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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.