Finding the Fourth Proportional to 816,595.84, 1,126,939.76 and 454,056.96
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Solution
The fourth proportional to 816,595.84, 1,126,939.76 and 454,056.96 is: 626,619.46
Step by Step Solution
- Step 1: Write the proportion equation
816,595.84 : 1,126,939.76 = 454,056.96 : x - Step 2: Convert to fraction form
816,595.84/1,126,939.76 = 454,056.96/x - Step 3: Cross multiply
816,595.84x = 1,126,939.76 × 454,056.96 - Step 4: Simplify right side
816,595.84x = 511,694,841,528.73 - Step 5: Solve for x
x = 511,694,841,528.73/816,595.84 - Step 6: Final answer
x = 626,619.46
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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.