Finding the Fourth Proportional to 493,596.54, 681,046.07 and 300,000.87
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Solution
The fourth proportional to 493,596.54, 681,046.07 and 300,000.87 is: 413,929.99
Step by Step Solution
- Step 1: Write the proportion equation
493,596.54 : 681,046.07 = 300,000.87 : x - Step 2: Convert to fraction form
493,596.54/681,046.07 = 300,000.87/x - Step 3: Cross multiply
493,596.54x = 681,046.07 × 300,000.87 - Step 4: Simplify right side
493,596.54x = 204,314,412,010.08 - Step 5: Solve for x
x = 204,314,412,010.08/493,596.54 - Step 6: Final answer
x = 413,929.99
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1.5x scale
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.