Finding the Fourth Proportional to 858,949.26, 1,288,211.00 and 290,317.76
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Solution
The fourth proportional to 858,949.26, 1,288,211.00 and 290,317.76 is: 435,404.68
Step by Step Solution
- Step 1: Write the proportion equation
858,949.26 : 1,288,211.00 = 290,317.76 : x - Step 2: Convert to fraction form
858,949.26/1,288,211.00 = 290,317.76/x - Step 3: Cross multiply
858,949.26x = 1,288,211.00 × 290,317.76 - Step 4: Simplify right side
858,949.26x = 373,990,529,095.24 - Step 5: Solve for x
x = 373,990,529,095.24/858,949.26 - Step 6: Final answer
x = 435,404.68
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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.