Finding the Fourth Proportional to 525,912.96, 726,237.89 and 396,629.99
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Solution
The fourth proportional to 525,912.96, 726,237.89 and 396,629.99 is: 547,709.87
Step by Step Solution
- Step 1: Write the proportion equation
525,912.96 : 726,237.89 = 396,629.99 : x - Step 2: Convert to fraction form
525,912.96/726,237.89 = 396,629.99/x - Step 3: Cross multiply
525,912.96x = 726,237.89 × 396,629.99 - Step 4: Simplify right side
525,912.96x = 288,047,721,433.98 - Step 5: Solve for x
x = 288,047,721,433.98/525,912.96 - Step 6: Final answer
x = 547,709.87
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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.