Finding the Fourth Proportional to 994,748.58, 1,372,754.79 and 542,039.58
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Solution
The fourth proportional to 994,748.58, 1,372,754.79 and 542,039.58 is: 748,015.57
Step by Step Solution
- Step 1: Write the proportion equation
994,748.58 : 1,372,754.79 = 542,039.58 : x - Step 2: Convert to fraction form
994,748.58/1,372,754.79 = 542,039.58/x - Step 3: Cross multiply
994,748.58x = 1,372,754.79 × 542,039.58 - Step 4: Simplify right side
994,748.58x = 744,087,429,814.59 - Step 5: Solve for x
x = 744,087,429,814.59/994,748.58 - Step 6: Final answer
x = 748,015.57
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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.