Finding the Fourth Proportional to 753,923.58, 1,130,883.06 and 304,639.26
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Solution
The fourth proportional to 753,923.58, 1,130,883.06 and 304,639.26 is: 456,957.96
Step by Step Solution
- Step 1: Write the proportion equation
753,923.58 : 1,130,883.06 = 304,639.26 : x - Step 2: Convert to fraction form
753,923.58/1,130,883.06 = 304,639.26/x - Step 3: Cross multiply
753,923.58x = 1,130,883.06 × 304,639.26 - Step 4: Simplify right side
753,923.58x = 344,511,378,544.94 - Step 5: Solve for x
x = 344,511,378,544.94/753,923.58 - Step 6: Final answer
x = 456,957.96
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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.