Finding the Fourth Proportional to 553,770.54, 764,203.68 and 299,121.75
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Solution
The fourth proportional to 553,770.54, 764,203.68 and 299,121.75 is: 412,788.20
Step by Step Solution
- Step 1: Write the proportion equation
553,770.54 : 764,203.68 = 299,121.75 : x - Step 2: Convert to fraction form
553,770.54/764,203.68 = 299,121.75/x - Step 3: Cross multiply
553,770.54x = 764,203.68 × 299,121.75 - Step 4: Simplify right side
553,770.54x = 228,589,942,118.04 - Step 5: Solve for x
x = 228,589,942,118.04/553,770.54 - Step 6: Final answer
x = 412,788.20
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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.