Finding the Fourth Proportional to 634,732.71, 875,915.31 and 355,325.99
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Solution
The fourth proportional to 634,732.71, 875,915.31 and 355,325.99 is: 490,341.01
Step by Step Solution
- Step 1: Write the proportion equation
634,732.71 : 875,915.31 = 355,325.99 : x - Step 2: Convert to fraction form
634,732.71/875,915.31 = 355,325.99/x - Step 3: Cross multiply
634,732.71x = 875,915.31 × 355,325.99 - Step 4: Simplify right side
634,732.71x = 311,235,474,063.44 - Step 5: Solve for x
x = 311,235,474,063.44/634,732.71 - Step 6: Final answer
x = 490,341.01
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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.