Finding the Fourth Proportional to 764,233.10, 1,146,349.65 and 752,423.30
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Solution
The fourth proportional to 764,233.10, 1,146,349.65 and 752,423.30 is: 1,128,634.95
Step by Step Solution
- Step 1: Write the proportion equation
764,233.10 : 1,146,349.65 = 752,423.30 : x - Step 2: Convert to fraction form
764,233.10/1,146,349.65 = 752,423.30/x - Step 3: Cross multiply
764,233.10x = 1,146,349.65 × 752,423.30 - Step 4: Simplify right side
764,233.10x = 862,540,186,606.85 - Step 5: Solve for x
x = 862,540,186,606.85/764,233.10 - Step 6: Final answer
x = 1,128,634.95
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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.