Finding the Fourth Proportional to 642,653.07, 886,827.08 and 370,704.74
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Solution
The fourth proportional to 642,653.07, 886,827.08 and 370,704.74 is: 511,552.83
Step by Step Solution
- Step 1: Write the proportion equation
642,653.07 : 886,827.08 = 370,704.74 : x - Step 2: Convert to fraction form
642,653.07/886,827.08 = 370,704.74/x - Step 3: Cross multiply
642,653.07x = 886,827.08 × 370,704.74 - Step 4: Simplify right side
642,653.07x = 328,750,998,608.99 - Step 5: Solve for x
x = 328,750,998,608.99/642,653.07 - Step 6: Final answer
x = 511,552.83
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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.