Finding the Fourth Proportional to 379,527.84, 524,140.61 and 328,294.62
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Solution
The fourth proportional to 379,527.84, 524,140.61 and 328,294.62 is: 453,385.82
Step by Step Solution
- Step 1: Write the proportion equation
379,527.84 : 524,140.61 = 328,294.62 : x - Step 2: Convert to fraction form
379,527.84/524,140.61 = 328,294.62/x - Step 3: Cross multiply
379,527.84x = 524,140.61 × 328,294.62 - Step 4: Simplify right side
379,527.84x = 172,072,540,745.05 - Step 5: Solve for x
x = 172,072,540,745.05/379,527.84 - Step 6: Final answer
x = 453,385.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.