Finding the Fourth Proportional to 905,970.53, 1,250,207.47 and 498,069.42
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Solution
The fourth proportional to 905,970.53, 1,250,207.47 and 498,069.42 is: 687,318.27
Step by Step Solution
- Step 1: Write the proportion equation
905,970.53 : 1,250,207.47 = 498,069.42 : x - Step 2: Convert to fraction form
905,970.53/1,250,207.47 = 498,069.42/x - Step 3: Cross multiply
905,970.53x = 1,250,207.47 × 498,069.42 - Step 4: Simplify right side
905,970.53x = 622,690,100,721.18 - Step 5: Solve for x
x = 622,690,100,721.18/905,970.53 - Step 6: Final answer
x = 687,318.27
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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.