Finding the Fourth Proportional to 673,589.68, 929,549.28 and 371,783.68
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Solution
The fourth proportional to 673,589.68, 929,549.28 and 371,783.68 is: 513,059.01
Step by Step Solution
- Step 1: Write the proportion equation
673,589.68 : 929,549.28 = 371,783.68 : x - Step 2: Convert to fraction form
673,589.68/929,549.28 = 371,783.68/x - Step 3: Cross multiply
673,589.68x = 929,549.28 × 371,783.68 - Step 4: Simplify right side
673,589.68x = 345,591,252,059.75 - Step 5: Solve for x
x = 345,591,252,059.75/673,589.68 - Step 6: Final answer
x = 513,059.01
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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.