Finding the Fourth Proportional to 497,474.73, 686,517.44 and 282,626.58
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Solution
The fourth proportional to 497,474.73, 686,517.44 and 282,626.58 is: 390,025.99
Step by Step Solution
- Step 1: Write the proportion equation
497,474.73 : 686,517.44 = 282,626.58 : x - Step 2: Convert to fraction form
497,474.73/686,517.44 = 282,626.58/x - Step 3: Cross multiply
497,474.73x = 686,517.44 × 282,626.58 - Step 4: Simplify right side
497,474.73x = 194,028,076,177.56 - Step 5: Solve for x
x = 194,028,076,177.56/497,474.73 - Step 6: Final answer
x = 390,025.99
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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.