Finding the Fourth Proportional to 538,463.22, 743,084.31 and 296,754.49
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Solution
The fourth proportional to 538,463.22, 743,084.31 and 296,754.49 is: 409,523.99
Step by Step Solution
- Step 1: Write the proportion equation
538,463.22 : 743,084.31 = 296,754.49 : x - Step 2: Convert to fraction form
538,463.22/743,084.31 = 296,754.49/x - Step 3: Cross multiply
538,463.22x = 743,084.31 × 296,754.49 - Step 4: Simplify right side
538,463.22x = 220,513,605,441.05 - Step 5: Solve for x
x = 220,513,605,441.05/538,463.22 - Step 6: Final answer
x = 409,523.99
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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.