Finding the Fourth Proportional to 994,998.08, 1,492,057.92 and 284,864.96
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Solution
The fourth proportional to 994,998.08, 1,492,057.92 and 284,864.96 is: 427,171.70
Step by Step Solution
- Step 1: Write the proportion equation
994,998.08 : 1,492,057.92 = 284,864.96 : x - Step 2: Convert to fraction form
994,998.08/1,492,057.92 = 284,864.96/x - Step 3: Cross multiply
994,998.08x = 1,492,057.92 × 284,864.96 - Step 4: Simplify right side
994,998.08x = 425,035,019,698.48 - Step 5: Solve for x
x = 425,035,019,698.48/994,998.08 - Step 6: Final answer
x = 427,171.70
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1.5x scale
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.