Finding the Fourth Proportional to 669,717.88, 922,520.74 and 540,293.96
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Solution
The fourth proportional to 669,717.88, 922,520.74 and 540,293.96 is: 744,242.31
Step by Step Solution
- Step 1: Write the proportion equation
669,717.88 : 922,520.74 = 540,293.96 : x - Step 2: Convert to fraction form
669,717.88/922,520.74 = 540,293.96/x - Step 3: Cross multiply
669,717.88x = 922,520.74 × 540,293.96 - Step 4: Simplify right side
669,717.88x = 498,432,383,796.73 - Step 5: Solve for x
x = 498,432,383,796.73/669,717.88 - Step 6: Final answer
x = 744,242.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.