Finding the Fourth Proportional to 543,939.84, 750,634.56 and 302,261.76
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Solution
The fourth proportional to 543,939.84, 750,634.56 and 302,261.76 is: 417,119.88
Step by Step Solution
- Step 1: Write the proportion equation
543,939.84 : 750,634.56 = 302,261.76 : x - Step 2: Convert to fraction form
543,939.84/750,634.56 = 302,261.76/x - Step 3: Cross multiply
543,939.84x = 750,634.56 × 302,261.76 - Step 4: Simplify right side
543,939.84x = 226,888,123,222.43 - Step 5: Solve for x
x = 226,888,123,222.43/543,939.84 - Step 6: Final answer
x = 417,119.88
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1.5x scale
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.