Finding the Fourth Proportional to 769,167.63, 1,151,509.77 and 448,338.42
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Solution
The fourth proportional to 769,167.63, 1,151,509.77 and 448,338.42 is: 671,200.99
Step by Step Solution
- Step 1: Write the proportion equation
769,167.63 : 1,151,509.77 = 448,338.42 : x - Step 2: Convert to fraction form
769,167.63/1,151,509.77 = 448,338.42/x - Step 3: Cross multiply
769,167.63x = 1,151,509.77 × 448,338.42 - Step 4: Simplify right side
769,167.63x = 516,266,070,896.36 - Step 5: Solve for x
x = 516,266,070,896.36/769,167.63 - Step 6: Final answer
x = 671,200.99
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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.