Finding the Fourth Proportional to 774,391.68, 1,161,412.38 and 294,448.23
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Solution
The fourth proportional to 774,391.68, 1,161,412.38 and 294,448.23 is: 441,605.75
Step by Step Solution
- Step 1: Write the proportion equation
774,391.68 : 1,161,412.38 = 294,448.23 : x - Step 2: Convert to fraction form
774,391.68/1,161,412.38 = 294,448.23/x - Step 3: Cross multiply
774,391.68x = 1,161,412.38 × 294,448.23 - Step 4: Simplify right side
774,391.68x = 341,975,819,591.09 - Step 5: Solve for x
x = 341,975,819,591.09/774,391.68 - Step 6: Final answer
x = 441,605.75
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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.