Finding the Fourth Proportional to 754,195.15, 1,131,289.99 and 304,910.63
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Solution
The fourth proportional to 754,195.15, 1,131,289.99 and 304,910.63 is: 457,364.84
Step by Step Solution
- Step 1: Write the proportion equation
754,195.15 : 1,131,289.99 = 304,910.63 : x - Step 2: Convert to fraction form
754,195.15/1,131,289.99 = 304,910.63/x - Step 3: Cross multiply
754,195.15x = 1,131,289.99 × 304,910.63 - Step 4: Simplify right side
754,195.15x = 344,942,343,102.33 - Step 5: Solve for x
x = 344,942,343,102.33/754,195.15 - Step 6: Final answer
x = 457,364.84
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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.