Finding the Fourth Proportional to 449,324.20, 673,986.30 and 433,577.80
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Solution
The fourth proportional to 449,324.20, 673,986.30 and 433,577.80 is: 650,366.70
Step by Step Solution
- Step 1: Write the proportion equation
449,324.20 : 673,986.30 = 433,577.80 : x - Step 2: Convert to fraction form
449,324.20/673,986.30 = 433,577.80/x - Step 3: Cross multiply
449,324.20x = 673,986.30 × 433,577.80 - Step 4: Simplify right side
449,324.20x = 292,225,497,184.14 - Step 5: Solve for x
x = 292,225,497,184.14/449,324.20 - Step 6: Final answer
x = 650,366.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.