Finding the Fourth Proportional to 774,861.24, 1,069,318.68 and 468,933.96
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Solution
The fourth proportional to 774,861.24, 1,069,318.68 and 468,933.96 is: 647,135.02
Step by Step Solution
- Step 1: Write the proportion equation
774,861.24 : 1,069,318.68 = 468,933.96 : x - Step 2: Convert to fraction form
774,861.24/1,069,318.68 = 468,933.96/x - Step 3: Cross multiply
774,861.24x = 1,069,318.68 × 468,933.96 - Step 4: Simplify right side
774,861.24x = 501,439,843,114.37 - Step 5: Solve for x
x = 501,439,843,114.37/774,861.24 - Step 6: Final answer
x = 647,135.02
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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.