Finding the Fourth Proportional to 673,329.24, 929,213.84 and 371,542.68
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Solution
The fourth proportional to 673,329.24, 929,213.84 and 371,542.68 is: 512,739.65
Step by Step Solution
- Step 1: Write the proportion equation
673,329.24 : 929,213.84 = 371,542.68 : x - Step 2: Convert to fraction form
673,329.24/929,213.84 = 371,542.68/x - Step 3: Cross multiply
673,329.24x = 929,213.84 × 371,542.68 - Step 4: Simplify right side
673,329.24x = 345,242,600,406.69 - Step 5: Solve for x
x = 345,242,600,406.69/673,329.24 - Step 6: Final answer
x = 512,739.65
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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.