Finding the Fourth Proportional to 670,464.84, 1,005,694.62 and 271,100.76
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Solution
The fourth proportional to 670,464.84, 1,005,694.62 and 271,100.76 is: 406,650.07
Step by Step Solution
- Step 1: Write the proportion equation
670,464.84 : 1,005,694.62 = 271,100.76 : x - Step 2: Convert to fraction form
670,464.84/1,005,694.62 = 271,100.76/x - Step 3: Cross multiply
670,464.84x = 1,005,694.62 × 271,100.76 - Step 4: Simplify right side
670,464.84x = 272,644,575,809.91 - Step 5: Solve for x
x = 272,644,575,809.91/670,464.84 - Step 6: Final answer
x = 406,650.07
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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.