Finding the Fourth Proportional to 921,469.62, 1,382,392.35 and 522,288.66
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Solution
The fourth proportional to 921,469.62, 1,382,392.35 and 522,288.66 is: 783,539.50
Step by Step Solution
- Step 1: Write the proportion equation
921,469.62 : 1,382,392.35 = 522,288.66 : x - Step 2: Convert to fraction form
921,469.62/1,382,392.35 = 522,288.66/x - Step 3: Cross multiply
921,469.62x = 1,382,392.35 × 522,288.66 - Step 4: Simplify right side
921,469.62x = 722,007,848,075.75 - Step 5: Solve for x
x = 722,007,848,075.75/921,469.62 - Step 6: Final answer
x = 783,539.50
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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.