Finding the Fourth Proportional to 829,304.46, 1,144,793.30 and 557,529.99
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Solution
The fourth proportional to 829,304.46, 1,144,793.30 and 557,529.99 is: 769,628.79
Step by Step Solution
- Step 1: Write the proportion equation
829,304.46 : 1,144,793.30 = 557,529.99 : x - Step 2: Convert to fraction form
829,304.46/1,144,793.30 = 557,529.99/x - Step 3: Cross multiply
829,304.46x = 1,144,793.30 × 557,529.99 - Step 4: Simplify right side
829,304.46x = 638,256,590,020.44 - Step 5: Solve for x
x = 638,256,590,020.44/829,304.46 - Step 6: Final answer
x = 769,628.79
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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.