Finding the Fourth Proportional to 538,680.63, 743,381.49 and 296,957.86
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Solution
The fourth proportional to 538,680.63, 743,381.49 and 296,957.86 is: 409,803.07
Step by Step Solution
- Step 1: Write the proportion equation
538,680.63 : 743,381.49 = 296,957.86 : x - Step 2: Convert to fraction form
538,680.63/743,381.49 = 296,957.86/x - Step 3: Cross multiply
538,680.63x = 743,381.49 × 296,957.86 - Step 4: Simplify right side
538,680.63x = 220,752,976,434.01 - Step 5: Solve for x
x = 220,752,976,434.01/538,680.63 - Step 6: Final answer
x = 409,803.07
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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.