Finding the Fourth Proportional to 582,461.12, 872,571.12 and 357,163.92
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Solution
The fourth proportional to 582,461.12, 872,571.12 and 357,163.92 is: 535,058.75
Step by Step Solution
- Step 1: Write the proportion equation
582,461.12 : 872,571.12 = 357,163.92 : x - Step 2: Convert to fraction form
582,461.12/872,571.12 = 357,163.92/x - Step 3: Cross multiply
582,461.12x = 872,571.12 × 357,163.92 - Step 4: Simplify right side
582,461.12x = 311,650,921,697.99 - Step 5: Solve for x
x = 311,650,921,697.99/582,461.12 - Step 6: Final answer
x = 535,058.75
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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.