Finding the Fourth Proportional to 658,112.10, 986,876.55 and 303,234.90
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Solution
The fourth proportional to 658,112.10, 986,876.55 and 303,234.90 is: 454,717.99
Step by Step Solution
- Step 1: Write the proportion equation
658,112.10 : 986,876.55 = 303,234.90 : x - Step 2: Convert to fraction form
658,112.10/986,876.55 = 303,234.90/x - Step 3: Cross multiply
658,112.10x = 986,876.55 × 303,234.90 - Step 4: Simplify right side
658,112.10x = 299,255,411,951.60 - Step 5: Solve for x
x = 299,255,411,951.60/658,112.10 - Step 6: Final answer
x = 454,717.99
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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.