Finding the Fourth Proportional to 529,849.76, 731,163.12 and 303,509.84
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Solution
The fourth proportional to 529,849.76, 731,163.12 and 303,509.84 is: 418,826.65
Step by Step Solution
- Step 1: Write the proportion equation
529,849.76 : 731,163.12 = 303,509.84 : x - Step 2: Convert to fraction form
529,849.76/731,163.12 = 303,509.84/x - Step 3: Cross multiply
529,849.76x = 731,163.12 × 303,509.84 - Step 4: Simplify right side
529,849.76x = 221,915,201,565.10 - Step 5: Solve for x
x = 221,915,201,565.10/529,849.76 - Step 6: Final answer
x = 418,826.65
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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.