Finding the Fourth Proportional to 440,734.80, 608,343.99 and 287,796.75
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Solution
The fourth proportional to 440,734.80, 608,343.99 and 287,796.75 is: 397,244.38
Step by Step Solution
- Step 1: Write the proportion equation
440,734.80 : 608,343.99 = 287,796.75 : x - Step 2: Convert to fraction form
440,734.80/608,343.99 = 287,796.75/x - Step 3: Cross multiply
440,734.80x = 608,343.99 × 287,796.75 - Step 4: Simplify right side
440,734.80x = 175,079,423,204.03 - Step 5: Solve for x
x = 175,079,423,204.03/440,734.80 - Step 6: Final answer
x = 397,244.38
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1.5x scale
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.