Finding the Fourth Proportional to 829,616.32, 1,244,424.49 and 474,381.17
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Solution
The fourth proportional to 829,616.32, 1,244,424.49 and 474,381.17 is: 711,571.75
Step by Step Solution
- Step 1: Write the proportion equation
829,616.32 : 1,244,424.49 = 474,381.17 : x - Step 2: Convert to fraction form
829,616.32/1,244,424.49 = 474,381.17/x - Step 3: Cross multiply
829,616.32x = 1,244,424.49 × 474,381.17 - Step 4: Simplify right side
829,616.32x = 590,331,536,948.83 - Step 5: Solve for x
x = 590,331,536,948.83/829,616.32 - Step 6: Final answer
x = 711,571.75
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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.