Finding the Fourth Proportional to 635,423.87, 876,858.68 and 345,024.09
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Solution
The fourth proportional to 635,423.87, 876,858.68 and 345,024.09 is: 476,118.98
Step by Step Solution
- Step 1: Write the proportion equation
635,423.87 : 876,858.68 = 345,024.09 : x - Step 2: Convert to fraction form
635,423.87/876,858.68 = 345,024.09/x - Step 3: Cross multiply
635,423.87x = 876,858.68 × 345,024.09 - Step 4: Simplify right side
635,423.87x = 302,537,368,988.16 - Step 5: Solve for x
x = 302,537,368,988.16/635,423.87 - Step 6: Final answer
x = 476,118.98
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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.