Finding the Fourth Proportional to 967,328.70, 1,450,474.65 and 405,728.70
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Solution
The fourth proportional to 967,328.70, 1,450,474.65 and 405,728.70 is: 608,375.62
Step by Step Solution
- Step 1: Write the proportion equation
967,328.70 : 1,450,474.65 = 405,728.70 : x - Step 2: Convert to fraction form
967,328.70/1,450,474.65 = 405,728.70/x - Step 3: Cross multiply
967,328.70x = 1,450,474.65 × 405,728.70 - Step 4: Simplify right side
967,328.70x = 588,499,194,127.46 - Step 5: Solve for x
x = 588,499,194,127.46/967,328.70 - Step 6: Final answer
x = 608,375.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.