Finding the Fourth Proportional to 708,519.63, 1,062,669.89 and 259,135.41
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Solution
The fourth proportional to 708,519.63, 1,062,669.89 and 259,135.41 is: 388,663.05
Step by Step Solution
- Step 1: Write the proportion equation
708,519.63 : 1,062,669.89 = 259,135.41 : x - Step 2: Convert to fraction form
708,519.63/1,062,669.89 = 259,135.41/x - Step 3: Cross multiply
708,519.63x = 1,062,669.89 × 259,135.41 - Step 4: Simplify right side
708,519.63x = 275,375,397,639.81 - Step 5: Solve for x
x = 275,375,397,639.81/708,519.63 - Step 6: Final answer
x = 388,663.05
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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.