Finding the Fourth Proportional to 910,629.37, 1,256,833.04 and 543,130.08
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Solution
The fourth proportional to 910,629.37, 1,256,833.04 and 543,130.08 is: 749,617.62
Step by Step Solution
- Step 1: Write the proportion equation
910,629.37 : 1,256,833.04 = 543,130.08 : x - Step 2: Convert to fraction form
910,629.37/1,256,833.04 = 543,130.08/x - Step 3: Cross multiply
910,629.37x = 1,256,833.04 × 543,130.08 - Step 4: Simplify right side
910,629.37x = 682,623,822,133.07 - Step 5: Solve for x
x = 682,623,822,133.07/910,629.37 - Step 6: Final answer
x = 749,617.62
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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.