Finding the Fourth Proportional to 718,566.08, 991,579.20 and 412,571.84
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Solution
The fourth proportional to 718,566.08, 991,579.20 and 412,571.84 is: 569,325.03
Step by Step Solution
- Step 1: Write the proportion equation
718,566.08 : 991,579.20 = 412,571.84 : x - Step 2: Convert to fraction form
718,566.08/991,579.20 = 412,571.84/x - Step 3: Cross multiply
718,566.08x = 991,579.20 × 412,571.84 - Step 4: Simplify right side
718,566.08x = 409,097,655,049.73 - Step 5: Solve for x
x = 409,097,655,049.73/718,566.08 - Step 6: Final answer
x = 569,325.03
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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.