Finding the Fourth Proportional to 469,635.96, 648,557.99 and 324,812.82
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Solution
The fourth proportional to 469,635.96, 648,557.99 and 324,812.82 is: 448,560.09
Step by Step Solution
- Step 1: Write the proportion equation
469,635.96 : 648,557.99 = 324,812.82 : x - Step 2: Convert to fraction form
469,635.96/648,557.99 = 324,812.82/x - Step 3: Cross multiply
469,635.96x = 648,557.99 × 324,812.82 - Step 4: Simplify right side
469,635.96x = 210,659,948,041.37 - Step 5: Solve for x
x = 210,659,948,041.37/469,635.96 - Step 6: Final answer
x = 448,560.09
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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.