Finding the Fourth Proportional to 886,626.84, 1,223,546.41 and 504,653.63
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Solution
The fourth proportional to 886,626.84, 1,223,546.41 and 504,653.63 is: 696,422.78
Step by Step Solution
- Step 1: Write the proportion equation
886,626.84 : 1,223,546.41 = 504,653.63 : x - Step 2: Convert to fraction form
886,626.84/1,223,546.41 = 504,653.63/x - Step 3: Cross multiply
886,626.84x = 1,223,546.41 × 504,653.63 - Step 4: Simplify right side
886,626.84x = 617,467,131,793.05 - Step 5: Solve for x
x = 617,467,131,793.05/886,626.84 - Step 6: Final answer
x = 696,422.78
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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.