Finding the Fourth Proportional to 453,905.84, 681,461.88 and 387,770.96
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Solution
The fourth proportional to 453,905.84, 681,461.88 and 387,770.96 is: 582,171.68
Step by Step Solution
- Step 1: Write the proportion equation
453,905.84 : 681,461.88 = 387,770.96 : x - Step 2: Convert to fraction form
453,905.84/681,461.88 = 387,770.96/x - Step 3: Cross multiply
453,905.84x = 681,461.88 × 387,770.96 - Step 4: Simplify right side
453,905.84x = 264,251,127,411.01 - Step 5: Solve for x
x = 264,251,127,411.01/453,905.84 - Step 6: Final answer
x = 582,171.68
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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.