Finding the Fourth Proportional to 707,939.37, 976,951.56 and 385,649.70
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Solution
The fourth proportional to 707,939.37, 976,951.56 and 385,649.70 is: 532,193.99
Step by Step Solution
- Step 1: Write the proportion equation
707,939.37 : 976,951.56 = 385,649.70 : x - Step 2: Convert to fraction form
707,939.37/976,951.56 = 385,649.70/x - Step 3: Cross multiply
707,939.37x = 976,951.56 × 385,649.70 - Step 4: Simplify right side
707,939.37x = 376,761,076,028.53 - Step 5: Solve for x
x = 376,761,076,028.53/707,939.37 - Step 6: Final answer
x = 532,193.99
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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.