Finding the Fourth Proportional to 613,674.07, 846,433.97 and 409,622.11
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Solution
The fourth proportional to 613,674.07, 846,433.97 and 409,622.11 is: 564,987.32
Step by Step Solution
- Step 1: Write the proportion equation
613,674.07 : 846,433.97 = 409,622.11 : x - Step 2: Convert to fraction form
613,674.07/846,433.97 = 409,622.11/x - Step 3: Cross multiply
613,674.07x = 846,433.97 × 409,622.11 - Step 4: Simplify right side
613,674.07x = 346,718,067,675.05 - Step 5: Solve for x
x = 346,718,067,675.05/613,674.07 - Step 6: Final answer
x = 564,987.32
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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.