Finding the Fourth Proportional to 635,408.24, 876,869.44 and 348,934.32
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Solution
The fourth proportional to 635,408.24, 876,869.44 and 348,934.32 is: 481,532.69
Step by Step Solution
- Step 1: Write the proportion equation
635,408.24 : 876,869.44 = 348,934.32 : x - Step 2: Convert to fraction form
635,408.24/876,869.44 = 348,934.32/x - Step 3: Cross multiply
635,408.24x = 876,869.44 × 348,934.32 - Step 4: Simplify right side
635,408.24x = 305,969,841,775.18 - Step 5: Solve for x
x = 305,969,841,775.18/635,408.24 - Step 6: Final answer
x = 481,532.69
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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.