Finding the Fourth Proportional to 628,271.44, 866,948.97 and 356,252.38
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Solution
The fourth proportional to 628,271.44, 866,948.97 and 356,252.38 is: 491,591.08
Step by Step Solution
- Step 1: Write the proportion equation
628,271.44 : 866,948.97 = 356,252.38 : x - Step 2: Convert to fraction form
628,271.44/866,948.97 = 356,252.38/x - Step 3: Cross multiply
628,271.44x = 866,948.97 × 356,252.38 - Step 4: Simplify right side
628,271.44x = 308,852,633,069.62 - Step 5: Solve for x
x = 308,852,633,069.62/628,271.44 - Step 6: Final answer
x = 491,591.08
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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.