Finding the Fourth Proportional to 504,487.84, 756,731.76 and 479,261.20
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Solution
The fourth proportional to 504,487.84, 756,731.76 and 479,261.20 is: 718,891.80
Step by Step Solution
- Step 1: Write the proportion equation
504,487.84 : 756,731.76 = 479,261.20 : x - Step 2: Convert to fraction form
504,487.84/756,731.76 = 479,261.20/x - Step 3: Cross multiply
504,487.84x = 756,731.76 × 479,261.20 - Step 4: Simplify right side
504,487.84x = 362,672,171,375.71 - Step 5: Solve for x
x = 362,672,171,375.71/504,487.84 - Step 6: Final answer
x = 718,891.80
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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.