Finding the Fourth Proportional to 1,388,296.20, 2,082,776.94 and 477,463.08
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Solution
The fourth proportional to 1,388,296.20, 2,082,776.94 and 477,463.08 is: 716,309.02
Step by Step Solution
- Step 1: Write the proportion equation
1,388,296.20 : 2,082,776.94 = 477,463.08 : x - Step 2: Convert to fraction form
1,388,296.20/2,082,776.94 = 477,463.08/x - Step 3: Cross multiply
1,388,296.20x = 2,082,776.94 × 477,463.08 - Step 4: Simplify right side
1,388,296.20x = 994,449,092,725.38 - Step 5: Solve for x
x = 994,449,092,725.38/1,388,296.20 - Step 6: Final answer
x = 716,309.02
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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.