Finding the Fourth Proportional to 784,619.79, 1,176,754.55 and 363,840.99
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Solution
The fourth proportional to 784,619.79, 1,176,754.55 and 363,840.99 is: 545,680.27
Step by Step Solution
- Step 1: Write the proportion equation
784,619.79 : 1,176,754.55 = 363,840.99 : x - Step 2: Convert to fraction form
784,619.79/1,176,754.55 = 363,840.99/x - Step 3: Cross multiply
784,619.79x = 1,176,754.55 × 363,840.99 - Step 4: Simplify right side
784,619.79x = 428,151,538,639.80 - Step 5: Solve for x
x = 428,151,538,639.80/784,619.79 - Step 6: Final answer
x = 545,680.27
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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.