Finding the Fourth Proportional to 715,452.12, 986,912.79 and 446,713.56
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Solution
The fourth proportional to 715,452.12, 986,912.79 and 446,713.56 is: 616,208.01
Step by Step Solution
- Step 1: Write the proportion equation
715,452.12 : 986,912.79 = 446,713.56 : x - Step 2: Convert to fraction form
715,452.12/986,912.79 = 446,713.56/x - Step 3: Cross multiply
715,452.12x = 986,912.79 × 446,713.56 - Step 4: Simplify right side
715,452.12x = 440,867,325,830.43 - Step 5: Solve for x
x = 440,867,325,830.43/715,452.12 - Step 6: Final answer
x = 616,208.01
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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.