Finding the Fourth Proportional to 994,373.68, 1,372,228.68 and 541,664.68
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Solution
The fourth proportional to 994,373.68, 1,372,228.68 and 541,664.68 is: 747,493.45
Step by Step Solution
- Step 1: Write the proportion equation
994,373.68 : 1,372,228.68 = 541,664.68 : x - Step 2: Convert to fraction form
994,373.68/1,372,228.68 = 541,664.68/x - Step 3: Cross multiply
994,373.68x = 1,372,228.68 × 541,664.68 - Step 4: Simplify right side
994,373.68x = 743,287,808,839.02 - Step 5: Solve for x
x = 743,287,808,839.02/994,373.68 - Step 6: Final answer
x = 747,493.45
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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.