Finding the Fourth Proportional to 652,161.30, 978,241.95 and 449,207.70
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Solution
The fourth proportional to 652,161.30, 978,241.95 and 449,207.70 is: 673,811.55
Step by Step Solution
- Step 1: Write the proportion equation
652,161.30 : 978,241.95 = 449,207.70 : x - Step 2: Convert to fraction form
652,161.30/978,241.95 = 449,207.70/x - Step 3: Cross multiply
652,161.30x = 978,241.95 × 449,207.70 - Step 4: Simplify right side
652,161.30x = 439,433,816,403.02 - Step 5: Solve for x
x = 439,433,816,403.02/652,161.30 - Step 6: Final answer
x = 673,811.55
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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.