Finding the Fourth Proportional to 509,883.62, 703,639.98 and 283,524.26
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Solution
The fourth proportional to 509,883.62, 703,639.98 and 283,524.26 is: 391,263.80
Step by Step Solution
- Step 1: Write the proportion equation
509,883.62 : 703,639.98 = 283,524.26 : x - Step 2: Convert to fraction form
509,883.62/703,639.98 = 283,524.26/x - Step 3: Cross multiply
509,883.62x = 703,639.98 × 283,524.26 - Step 4: Simplify right side
509,883.62x = 199,499,004,635.92 - Step 5: Solve for x
x = 199,499,004,635.92/509,883.62 - Step 6: Final answer
x = 391,263.80
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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.