Finding the Fourth Proportional to 643,816.29, 963,845.71 and 482,425.68
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Solution
The fourth proportional to 643,816.29, 963,845.71 and 482,425.68 is: 722,230.75
Step by Step Solution
- Step 1: Write the proportion equation
643,816.29 : 963,845.71 = 482,425.68 : x - Step 2: Convert to fraction form
643,816.29/963,845.71 = 482,425.68/x - Step 3: Cross multiply
643,816.29x = 963,845.71 × 482,425.68 - Step 4: Simplify right side
643,816.29x = 464,983,924,470.19 - Step 5: Solve for x
x = 464,983,924,470.19/643,816.29 - Step 6: Final answer
x = 722,230.75
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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.