Finding the Fourth Proportional to 728,537.12, 1,092,805.68 and 229,940
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Solution
The fourth proportional to 728,537.12, 1,092,805.68 and 229,940 is: 344,910
Step by Step Solution
- Step 1: Write the proportion equation
728,537.12 : 1,092,805.68 = 229,940 : x - Step 2: Convert to fraction form
728,537.12/1,092,805.68 = 229,940/x - Step 3: Cross multiply
728,537.12x = 1,092,805.68 × 229,940 - Step 4: Simplify right side
728,537.12x = 251,279,738,059.20 - Step 5: Solve for x
x = 251,279,738,059.20/728,537.12 - Step 6: Final answer
x = 344,910
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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.