Finding the Fourth Proportional to 858,950.26, 1,288,212.50 and 290,318.76
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Solution
The fourth proportional to 858,950.26, 1,288,212.50 and 290,318.76 is: 435,406.18
Step by Step Solution
- Step 1: Write the proportion equation
858,950.26 : 1,288,212.50 = 290,318.76 : x - Step 2: Convert to fraction form
858,950.26/1,288,212.50 = 290,318.76/x - Step 3: Cross multiply
858,950.26x = 1,288,212.50 × 290,318.76 - Step 4: Simplify right side
858,950.26x = 373,992,255,616.50 - Step 5: Solve for x
x = 373,992,255,616.50/858,950.26 - Step 6: Final answer
x = 435,406.18
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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.