Finding the Fourth Proportional to 757,916.79, 1,136,628.87 and 252,341.92
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Solution
The fourth proportional to 757,916.79, 1,136,628.87 and 252,341.92 is: 378,430.87
Step by Step Solution
- Step 1: Write the proportion equation
757,916.79 : 1,136,628.87 = 252,341.92 : x - Step 2: Convert to fraction form
757,916.79/1,136,628.87 = 252,341.92/x - Step 3: Cross multiply
757,916.79x = 1,136,628.87 × 252,341.92 - Step 4: Simplify right side
757,916.79x = 286,819,111,383.23 - Step 5: Solve for x
x = 286,819,111,383.23/757,916.79 - Step 6: Final answer
x = 378,430.87
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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.