Finding the Fourth Proportional to 816,630.44, 1,126,944.10 and 454,051.49
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Solution
The fourth proportional to 816,630.44, 1,126,944.10 and 454,051.49 is: 626,587.77
Step by Step Solution
- Step 1: Write the proportion equation
816,630.44 : 1,126,944.10 = 454,051.49 : x - Step 2: Convert to fraction form
816,630.44/1,126,944.10 = 454,051.49/x - Step 3: Cross multiply
816,630.44x = 1,126,944.10 × 454,051.49 - Step 4: Simplify right side
816,630.44x = 511,690,647,751.71 - Step 5: Solve for x
x = 511,690,647,751.71/816,630.44 - Step 6: Final answer
x = 626,587.77
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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.