Finding the Fourth Proportional to 967,438.20, 1,451,387.70 and 406,183.80
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Solution
The fourth proportional to 967,438.20, 1,451,387.70 and 406,183.80 is: 609,372.43
Step by Step Solution
- Step 1: Write the proportion equation
967,438.20 : 1,451,387.70 = 406,183.80 : x - Step 2: Convert to fraction form
967,438.20/1,451,387.70 = 406,183.80/x - Step 3: Cross multiply
967,438.20x = 1,451,387.70 × 406,183.80 - Step 4: Simplify right side
967,438.20x = 589,530,171,259.26 - Step 5: Solve for x
x = 589,530,171,259.26/967,438.20 - Step 6: Final answer
x = 609,372.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.