Finding the Fourth Proportional to 858,837, 1,288,396.26 and 353,260.92
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Solution
The fourth proportional to 858,837, 1,288,396.26 and 353,260.92 is: 529,949.28
Step by Step Solution
- Step 1: Write the proportion equation
858,837 : 1,288,396.26 = 353,260.92 : x - Step 2: Convert to fraction form
858,837/1,288,396.26 = 353,260.92/x - Step 3: Cross multiply
858,837x = 1,288,396.26 × 353,260.92 - Step 4: Simplify right side
858,837x = 455,140,048,132.16 - Step 5: Solve for x
x = 455,140,048,132.16/858,837 - Step 6: Final answer
x = 529,949.28
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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.