Finding the Fourth Proportional to 756,240.60, 1,043,599.68 and 412,080.68
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Solution
The fourth proportional to 756,240.60, 1,043,599.68 and 412,080.68 is: 568,664.61
Step by Step Solution
- Step 1: Write the proportion equation
756,240.60 : 1,043,599.68 = 412,080.68 : x - Step 2: Convert to fraction form
756,240.60/1,043,599.68 = 412,080.68/x - Step 3: Cross multiply
756,240.60x = 1,043,599.68 × 412,080.68 - Step 4: Simplify right side
756,240.60x = 430,047,265,782.18 - Step 5: Solve for x
x = 430,047,265,782.18/756,240.60 - Step 6: Final answer
x = 568,664.61
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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.