Finding the Fourth Proportional to 642,062.86, 886,056.04 and 370,125.82
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Solution
The fourth proportional to 642,062.86, 886,056.04 and 370,125.82 is: 510,778.99
Step by Step Solution
- Step 1: Write the proportion equation
642,062.86 : 886,056.04 = 370,125.82 : x - Step 2: Convert to fraction form
642,062.86/886,056.04 = 370,125.82/x - Step 3: Cross multiply
642,062.86x = 886,056.04 × 370,125.82 - Step 4: Simplify right side
642,062.86x = 327,952,218,370.95 - Step 5: Solve for x
x = 327,952,218,370.95/642,062.86 - Step 6: Final answer
x = 510,778.99
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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.