Finding the Fourth Proportional to 635,071.86, 876,369.24 and 344,676.84
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Solution
The fourth proportional to 635,071.86, 876,369.24 and 344,676.84 is: 475,637.80
Step by Step Solution
- Step 1: Write the proportion equation
635,071.86 : 876,369.24 = 344,676.84 : x - Step 2: Convert to fraction form
635,071.86/876,369.24 = 344,676.84/x - Step 3: Cross multiply
635,071.86x = 876,369.24 × 344,676.84 - Step 4: Simplify right side
635,071.86x = 302,064,180,316.40 - Step 5: Solve for x
x = 302,064,180,316.40/635,071.86 - Step 6: Final answer
x = 475,637.80
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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.