Finding the Fourth Proportional to 839,649.17, 1,259,549.28 and 271,043.75
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Solution
The fourth proportional to 839,649.17, 1,259,549.28 and 271,043.75 is: 406,590.00
Step by Step Solution
- Step 1: Write the proportion equation
839,649.17 : 1,259,549.28 = 271,043.75 : x - Step 2: Convert to fraction form
839,649.17/1,259,549.28 = 271,043.75/x - Step 3: Cross multiply
839,649.17x = 1,259,549.28 × 271,043.75 - Step 4: Simplify right side
839,649.17x = 341,392,953,863.25 - Step 5: Solve for x
x = 341,392,953,863.25/839,649.17 - Step 6: Final answer
x = 406,590.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.