Finding the Fourth Proportional to 945,452.42, 1,418,190.97 and 314,366.23
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Solution
The fourth proportional to 945,452.42, 1,418,190.97 and 314,366.23 is: 471,553.45
Step by Step Solution
- Step 1: Write the proportion equation
945,452.42 : 1,418,190.97 = 314,366.23 : x - Step 2: Convert to fraction form
945,452.42/1,418,190.97 = 314,366.23/x - Step 3: Cross multiply
945,452.42x = 1,418,190.97 × 314,366.23 - Step 4: Simplify right side
945,452.42x = 445,831,348,658.94 - Step 5: Solve for x
x = 445,831,348,658.94/945,452.42 - Step 6: Final answer
x = 471,553.45
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1.5x scale
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.