Finding the Fourth Proportional to 756,101.25, 1,043,416.62 and 411,936.21
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Solution
The fourth proportional to 756,101.25, 1,043,416.62 and 411,936.21 is: 568,470.28
Step by Step Solution
- Step 1: Write the proportion equation
756,101.25 : 1,043,416.62 = 411,936.21 : x - Step 2: Convert to fraction form
756,101.25/1,043,416.62 = 411,936.21/x - Step 3: Cross multiply
756,101.25x = 1,043,416.62 × 411,936.21 - Step 4: Simplify right side
756,101.25x = 429,821,087,893.81 - Step 5: Solve for x
x = 429,821,087,893.81/756,101.25 - Step 6: Final answer
x = 568,470.28
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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.