Finding the Fourth Proportional to 531,409.73, 733,318.26 and 289,668.47
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Solution
The fourth proportional to 531,409.73, 733,318.26 and 289,668.47 is: 399,727.68
Step by Step Solution
- Step 1: Write the proportion equation
531,409.73 : 733,318.26 = 289,668.47 : x - Step 2: Convert to fraction form
531,409.73/733,318.26 = 289,668.47/x - Step 3: Cross multiply
531,409.73x = 733,318.26 × 289,668.47 - Step 4: Simplify right side
531,409.73x = 212,419,178,397.26 - Step 5: Solve for x
x = 212,419,178,397.26/531,409.73 - Step 6: Final answer
x = 399,727.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.