Finding the Fourth Proportional to 463,911.82, 694,686.21 and 305,660.62
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Solution
The fourth proportional to 463,911.82, 694,686.21 and 305,660.62 is: 457,712.45
Step by Step Solution
- Step 1: Write the proportion equation
463,911.82 : 694,686.21 = 305,660.62 : x - Step 2: Convert to fraction form
463,911.82/694,686.21 = 305,660.62/x - Step 3: Cross multiply
463,911.82x = 694,686.21 × 305,660.62 - Step 4: Simplify right side
463,911.82x = 212,338,217,654.05 - Step 5: Solve for x
x = 212,338,217,654.05/463,911.82 - Step 6: Final answer
x = 457,712.45
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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.