Finding the Fourth Proportional to 389,735.72, 537,880.68 and 324,208.80
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Solution
The fourth proportional to 389,735.72, 537,880.68 and 324,208.80 is: 447,445.90
Step by Step Solution
- Step 1: Write the proportion equation
389,735.72 : 537,880.68 = 324,208.80 : x - Step 2: Convert to fraction form
389,735.72/537,880.68 = 324,208.80/x - Step 3: Cross multiply
389,735.72x = 537,880.68 × 324,208.80 - Step 4: Simplify right side
389,735.72x = 174,385,649,805.98 - Step 5: Solve for x
x = 174,385,649,805.98/389,735.72 - Step 6: Final answer
x = 447,445.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.