Finding the Fourth Proportional to 906,423.44, 1,250,872.67 and 492,964.07
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Solution
The fourth proportional to 906,423.44, 1,250,872.67 and 492,964.07 is: 680,294.94
Step by Step Solution
- Step 1: Write the proportion equation
906,423.44 : 1,250,872.67 = 492,964.07 : x - Step 2: Convert to fraction form
906,423.44/1,250,872.67 = 492,964.07/x - Step 3: Cross multiply
906,423.44x = 1,250,872.67 × 492,964.07 - Step 4: Simplify right side
906,423.44x = 616,635,277,433.01 - Step 5: Solve for x
x = 616,635,277,433.01/906,423.44 - Step 6: Final answer
x = 680,294.94
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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.