Finding the Fourth Proportional to 764,733.57, 1,146,854.80 and 252,283.53
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Solution
The fourth proportional to 764,733.57, 1,146,854.80 and 252,283.53 is: 378,344.29
Step by Step Solution
- Step 1: Write the proportion equation
764,733.57 : 1,146,854.80 = 252,283.53 : x - Step 2: Convert to fraction form
764,733.57/1,146,854.80 = 252,283.53/x - Step 3: Cross multiply
764,733.57x = 1,146,854.80 × 252,283.53 - Step 4: Simplify right side
764,733.57x = 289,332,576,080.03 - Step 5: Solve for x
x = 289,332,576,080.03/764,733.57 - Step 6: Final answer
x = 378,344.29
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1.5x scale
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.