Finding the Fourth Proportional to 642,277.40, 886,161.84 and 370,323.92
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Solution
The fourth proportional to 642,277.40, 886,161.84 and 370,323.92 is: 510,942.66
Step by Step Solution
- Step 1: Write the proportion equation
642,277.40 : 886,161.84 = 370,323.92 : x - Step 2: Convert to fraction form
642,277.40/886,161.84 = 370,323.92/x - Step 3: Cross multiply
642,277.40x = 886,161.84 × 370,323.92 - Step 4: Simplify right side
642,277.40x = 328,166,926,343.21 - Step 5: Solve for x
x = 328,166,926,343.21/642,277.40 - Step 6: Final answer
x = 510,942.66
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1.5x scale
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.