Finding the Fourth Proportional to 748,680.88, 1,122,898.29 and 268,809.34
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Solution
The fourth proportional to 748,680.88, 1,122,898.29 and 268,809.34 is: 403,169.84
Step by Step Solution
- Step 1: Write the proportion equation
748,680.88 : 1,122,898.29 = 268,809.34 : x - Step 2: Convert to fraction form
748,680.88/1,122,898.29 = 268,809.34/x - Step 3: Cross multiply
748,680.88x = 1,122,898.29 × 268,809.34 - Step 4: Simplify right side
748,680.88x = 301,845,548,222.03 - Step 5: Solve for x
x = 301,845,548,222.03/748,680.88 - Step 6: Final answer
x = 403,169.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.