Finding the Fourth Proportional to 708,128.31, 1,062,297.97 and 252,684.02
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Solution
The fourth proportional to 708,128.31, 1,062,297.97 and 252,684.02 is: 379,063.68
Step by Step Solution
- Step 1: Write the proportion equation
708,128.31 : 1,062,297.97 = 252,684.02 : x - Step 2: Convert to fraction form
708,128.31/1,062,297.97 = 252,684.02/x - Step 3: Cross multiply
708,128.31x = 1,062,297.97 × 252,684.02 - Step 4: Simplify right side
708,128.31x = 268,425,724,232.15 - Step 5: Solve for x
x = 268,425,724,232.15/708,128.31 - Step 6: Final answer
x = 379,063.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.