Finding the Fourth Proportional to 861,214.96, 1,188,687.57 and 667,238.99
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Solution
The fourth proportional to 861,214.96, 1,188,687.57 and 667,238.99 is: 920,953.23
Step by Step Solution
- Step 1: Write the proportion equation
861,214.96 : 1,188,687.57 = 667,238.99 : x - Step 2: Convert to fraction form
861,214.96/1,188,687.57 = 667,238.99/x - Step 3: Cross multiply
861,214.96x = 1,188,687.57 × 667,238.99 - Step 4: Simplify right side
861,214.96x = 793,138,696,604.07 - Step 5: Solve for x
x = 793,138,696,604.07/861,214.96 - Step 6: Final answer
x = 920,953.23
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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.