Finding the Fourth Proportional to 751,349.21, 1,036,859.75 and 411,816.41
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Solution
The fourth proportional to 751,349.21, 1,036,859.75 and 411,816.41 is: 568,305.46
Step by Step Solution
- Step 1: Write the proportion equation
751,349.21 : 1,036,859.75 = 411,816.41 : x - Step 2: Convert to fraction form
751,349.21/1,036,859.75 = 411,816.41/x - Step 3: Cross multiply
751,349.21x = 1,036,859.75 × 411,816.41 - Step 4: Simplify right side
751,349.21x = 426,995,854,734.20 - Step 5: Solve for x
x = 426,995,854,734.20/751,349.21 - Step 6: Final answer
x = 568,305.46
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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.