Finding the Fourth Proportional to 757,759.61, 1,135,655.25 and 307,957.05
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Solution
The fourth proportional to 757,759.61, 1,135,655.25 and 307,957.05 is: 461,535.61
Step by Step Solution
- Step 1: Write the proportion equation
757,759.61 : 1,135,655.25 = 307,957.05 : x - Step 2: Convert to fraction form
757,759.61/1,135,655.25 = 307,957.05/x - Step 3: Cross multiply
757,759.61x = 1,135,655.25 × 307,957.05 - Step 4: Simplify right side
757,759.61x = 349,733,040,607.01 - Step 5: Solve for x
x = 349,733,040,607.01/757,759.61 - Step 6: Final answer
x = 461,535.61
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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.