Finding the Fourth Proportional to 755,761.59, 1,133,609.58 and 282,451.05
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Solution
The fourth proportional to 755,761.59, 1,133,609.58 and 282,451.05 is: 423,664.31
Step by Step Solution
- Step 1: Write the proportion equation
755,761.59 : 1,133,609.58 = 282,451.05 : x - Step 2: Convert to fraction form
755,761.59/1,133,609.58 = 282,451.05/x - Step 3: Cross multiply
755,761.59x = 1,133,609.58 × 282,451.05 - Step 4: Simplify right side
755,761.59x = 320,189,216,161.06 - Step 5: Solve for x
x = 320,189,216,161.06/755,761.59 - Step 6: Final answer
x = 423,664.31
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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.