Finding the Fourth Proportional to 895,629.12, 1,236,013.92 and 508,471.68
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Solution
The fourth proportional to 895,629.12, 1,236,013.92 and 508,471.68 is: 701,716.88
Step by Step Solution
- Step 1: Write the proportion equation
895,629.12 : 1,236,013.92 = 508,471.68 : x - Step 2: Convert to fraction form
895,629.12/1,236,013.92 = 508,471.68/x - Step 3: Cross multiply
895,629.12x = 1,236,013.92 × 508,471.68 - Step 4: Simplify right side
895,629.12x = 628,478,074,405.79 - Step 5: Solve for x
x = 628,478,074,405.79/895,629.12 - Step 6: Final answer
x = 701,716.88
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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.