Finding the Fourth Proportional to 433,056.15, 646,245.63 and 380,578.68
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Solution
The fourth proportional to 433,056.15, 646,245.63 and 380,578.68 is: 567,933.99
Step by Step Solution
- Step 1: Write the proportion equation
433,056.15 : 646,245.63 = 380,578.68 : x - Step 2: Convert to fraction form
433,056.15/646,245.63 = 380,578.68/x - Step 3: Cross multiply
433,056.15x = 646,245.63 × 380,578.68 - Step 4: Simplify right side
433,056.15x = 245,947,308,821.17 - Step 5: Solve for x
x = 245,947,308,821.17/433,056.15 - Step 6: Final answer
x = 567,933.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.