Finding the Fourth Proportional to 512,925.75, 707,837.84 and 286,571.25
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Solution
The fourth proportional to 512,925.75, 707,837.84 and 286,571.25 is: 395,468.49
Step by Step Solution
- Step 1: Write the proportion equation
512,925.75 : 707,837.84 = 286,571.25 : x - Step 2: Convert to fraction form
512,925.75/707,837.84 = 286,571.25/x - Step 3: Cross multiply
512,925.75x = 707,837.84 × 286,571.25 - Step 4: Simplify right side
512,925.75x = 202,845,973,173.24 - Step 5: Solve for x
x = 202,845,973,173.24/512,925.75 - Step 6: Final answer
x = 395,468.49
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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.