Finding the Fourth Proportional to 512,054.10, 706,619.97 and 285,694.74
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Solution
The fourth proportional to 512,054.10, 706,619.97 and 285,694.74 is: 394,250.55
Step by Step Solution
- Step 1: Write the proportion equation
512,054.10 : 706,619.97 = 285,694.74 : x - Step 2: Convert to fraction form
512,054.10/706,619.97 = 285,694.74/x - Step 3: Cross multiply
512,054.10x = 706,619.97 × 285,694.74 - Step 4: Simplify right side
512,054.10x = 201,877,608,607.96 - Step 5: Solve for x
x = 201,877,608,607.96/512,054.10 - Step 6: Final answer
x = 394,250.55
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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.