Finding the Fourth Proportional to 784,958.88, 1,083,366.72 and 479,101.44
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Solution
The fourth proportional to 784,958.88, 1,083,366.72 and 479,101.44 is: 661,235.34
Step by Step Solution
- Step 1: Write the proportion equation
784,958.88 : 1,083,366.72 = 479,101.44 : x - Step 2: Convert to fraction form
784,958.88/1,083,366.72 = 479,101.44/x - Step 3: Cross multiply
784,958.88x = 1,083,366.72 × 479,101.44 - Step 4: Simplify right side
784,958.88x = 519,042,555,600.08 - Step 5: Solve for x
x = 519,042,555,600.08/784,958.88 - Step 6: Final answer
x = 661,235.34
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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.