Finding the Fourth Proportional to 605,990.40, 836,328.96 and 364,351.68
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Solution
The fourth proportional to 605,990.40, 836,328.96 and 364,351.68 is: 502,842.72
Step by Step Solution
- Step 1: Write the proportion equation
605,990.40 : 836,328.96 = 364,351.68 : x - Step 2: Convert to fraction form
605,990.40/836,328.96 = 364,351.68/x - Step 3: Cross multiply
605,990.40x = 836,328.96 × 364,351.68 - Step 4: Simplify right side
605,990.40x = 304,717,861,608.65 - Step 5: Solve for x
x = 304,717,861,608.65/605,990.40 - Step 6: Final answer
x = 502,842.72
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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.