Finding the Fourth Proportional to 739,805.16, 1,020,934.62 and 417,528.84
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Solution
The fourth proportional to 739,805.16, 1,020,934.62 and 417,528.84 is: 576,191.77
Step by Step Solution
- Step 1: Write the proportion equation
739,805.16 : 1,020,934.62 = 417,528.84 : x - Step 2: Convert to fraction form
739,805.16/1,020,934.62 = 417,528.84/x - Step 3: Cross multiply
739,805.16x = 1,020,934.62 × 417,528.84 - Step 4: Simplify right side
739,805.16x = 426,269,647,604.44 - Step 5: Solve for x
x = 426,269,647,604.44/739,805.16 - Step 6: Final answer
x = 576,191.77
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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.