Finding the Fourth Proportional to 718,309.68, 1,077,464.49 and 682,391.28
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Solution
The fourth proportional to 718,309.68, 1,077,464.49 and 682,391.28 is: 1,023,586.89
Step by Step Solution
- Step 1: Write the proportion equation
718,309.68 : 1,077,464.49 = 682,391.28 : x - Step 2: Convert to fraction form
718,309.68/1,077,464.49 = 682,391.28/x - Step 3: Cross multiply
718,309.68x = 1,077,464.49 × 682,391.28 - Step 4: Simplify right side
718,309.68x = 735,252,372,485.65 - Step 5: Solve for x
x = 735,252,372,485.65/718,309.68 - Step 6: Final answer
x = 1,023,586.89
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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.