Finding the Fourth Proportional to 993,383.12, 1,489,951.56 and 283,473.20
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Solution
The fourth proportional to 993,383.12, 1,489,951.56 and 283,473.20 is: 425,174.67
Step by Step Solution
- Step 1: Write the proportion equation
993,383.12 : 1,489,951.56 = 283,473.20 : x - Step 2: Convert to fraction form
993,383.12/1,489,951.56 = 283,473.20/x - Step 3: Cross multiply
993,383.12x = 1,489,951.56 × 283,473.20 - Step 4: Simplify right side
993,383.12x = 422,361,336,558.19 - Step 5: Solve for x
x = 422,361,336,558.19/993,383.12 - Step 6: Final answer
x = 425,174.67
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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.