Finding the Fourth Proportional to 635,729.09, 877,315.43 and 345,346.07
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Solution
The fourth proportional to 635,729.09, 877,315.43 and 345,346.07 is: 476,582.62
Step by Step Solution
- Step 1: Write the proportion equation
635,729.09 : 877,315.43 = 345,346.07 : x - Step 2: Convert to fraction form
635,729.09/877,315.43 = 345,346.07/x - Step 3: Cross multiply
635,729.09x = 877,315.43 × 345,346.07 - Step 4: Simplify right side
635,729.09x = 302,977,432,377.65 - Step 5: Solve for x
x = 302,977,432,377.65/635,729.09 - Step 6: Final answer
x = 476,582.62
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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.