Finding the Fourth Proportional to 582,636.64, 804,115.20 and 328,037.44
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Solution
The fourth proportional to 582,636.64, 804,115.20 and 328,037.44 is: 452,734.82
Step by Step Solution
- Step 1: Write the proportion equation
582,636.64 : 804,115.20 = 328,037.44 : x - Step 2: Convert to fraction form
582,636.64/804,115.20 = 328,037.44/x - Step 3: Cross multiply
582,636.64x = 804,115.20 × 328,037.44 - Step 4: Simplify right side
582,636.64x = 263,779,891,673.09 - Step 5: Solve for x
x = 263,779,891,673.09/582,636.64 - Step 6: Final answer
x = 452,734.82
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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.