Finding the Fourth Proportional to 944,330.10, 1,416,770.94 and 304,619.70
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Solution
The fourth proportional to 944,330.10, 1,416,770.94 and 304,619.70 is: 457,018.51
Step by Step Solution
- Step 1: Write the proportion equation
944,330.10 : 1,416,770.94 = 304,619.70 : x - Step 2: Convert to fraction form
944,330.10/1,416,770.94 = 304,619.70/x - Step 3: Cross multiply
944,330.10x = 1,416,770.94 × 304,619.70 - Step 4: Simplify right side
944,330.10x = 431,576,338,711.52 - Step 5: Solve for x
x = 431,576,338,711.52/944,330.10 - Step 6: Final answer
x = 457,018.51
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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.