Finding the Fourth Proportional to 842,283.41, 1,162,351.24 and 479,741.03
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Solution
The fourth proportional to 842,283.41, 1,162,351.24 and 479,741.03 is: 662,042.70
Step by Step Solution
- Step 1: Write the proportion equation
842,283.41 : 1,162,351.24 = 479,741.03 : x - Step 2: Convert to fraction form
842,283.41/1,162,351.24 = 479,741.03/x - Step 3: Cross multiply
842,283.41x = 1,162,351.24 × 479,741.03 - Step 4: Simplify right side
842,283.41x = 557,627,581,099.38 - Step 5: Solve for x
x = 557,627,581,099.38/842,283.41 - Step 6: Final answer
x = 662,042.70
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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.