Finding the Fourth Proportional to 635,397.21, 876,843.63 and 348,911.55
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Solution
The fourth proportional to 635,397.21, 876,843.63 and 348,911.55 is: 481,495.46
Step by Step Solution
- Step 1: Write the proportion equation
635,397.21 : 876,843.63 = 348,911.55 : x - Step 2: Convert to fraction form
635,397.21/876,843.63 = 348,911.55/x - Step 3: Cross multiply
635,397.21x = 876,843.63 × 348,911.55 - Step 4: Simplify right side
635,397.21x = 305,940,870,050.93 - Step 5: Solve for x
x = 305,940,870,050.93/635,397.21 - Step 6: Final answer
x = 481,495.46
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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.