Finding the Fourth Proportional to 509,882.62, 703,638.60 and 283,523.26
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Solution
The fourth proportional to 509,882.62, 703,638.60 and 283,523.26 is: 391,262.42
Step by Step Solution
- Step 1: Write the proportion equation
509,882.62 : 703,638.60 = 283,523.26 : x - Step 2: Convert to fraction form
509,882.62/703,638.60 = 283,523.26/x - Step 3: Cross multiply
509,882.62x = 703,638.60 × 283,523.26 - Step 4: Simplify right side
509,882.62x = 199,497,909,733.84 - Step 5: Solve for x
x = 199,497,909,733.84/509,882.62 - Step 6: Final answer
x = 391,262.42
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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.