Finding the Fourth Proportional to 739,672.70, 1,110,545.85 and 459,736.70
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Solution
The fourth proportional to 739,672.70, 1,110,545.85 and 459,736.70 is: 690,249.46
Step by Step Solution
- Step 1: Write the proportion equation
739,672.70 : 1,110,545.85 = 459,736.70 : x - Step 2: Convert to fraction form
739,672.70/1,110,545.85 = 459,736.70/x - Step 3: Cross multiply
739,672.70x = 1,110,545.85 × 459,736.70 - Step 4: Simplify right side
739,672.70x = 510,558,684,277.70 - Step 5: Solve for x
x = 510,558,684,277.70/739,672.70 - Step 6: Final answer
x = 690,249.46
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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.