Finding the Fourth Proportional to 664,472.20, 917,059.26 and 377,936.96
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Solution
The fourth proportional to 664,472.20, 917,059.26 and 377,936.96 is: 521,602.84
Step by Step Solution
- Step 1: Write the proportion equation
664,472.20 : 917,059.26 = 377,936.96 : x - Step 2: Convert to fraction form
664,472.20/917,059.26 = 377,936.96/x - Step 3: Cross multiply
664,472.20x = 917,059.26 × 377,936.96 - Step 4: Simplify right side
664,472.20x = 346,590,588,864.25 - Step 5: Solve for x
x = 346,590,588,864.25/664,472.20 - Step 6: Final answer
x = 521,602.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.