Finding the Fourth Proportional to 531,112.20, 796,668.30 and 489,121.80
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Solution
The fourth proportional to 531,112.20, 796,668.30 and 489,121.80 is: 733,682.70
Step by Step Solution
- Step 1: Write the proportion equation
531,112.20 : 796,668.30 = 489,121.80 : x - Step 2: Convert to fraction form
531,112.20/796,668.30 = 489,121.80/x - Step 3: Cross multiply
531,112.20x = 796,668.30 × 489,121.80 - Step 4: Simplify right side
531,112.20x = 389,667,832,898.94 - Step 5: Solve for x
x = 389,667,832,898.94/531,112.20 - Step 6: Final answer
x = 733,682.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.