Finding the Fourth Proportional to 924,391.44, 1,275,613.56 and 516,412.26
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Solution
The fourth proportional to 924,391.44, 1,275,613.56 and 516,412.26 is: 712,622.87
Step by Step Solution
- Step 1: Write the proportion equation
924,391.44 : 1,275,613.56 = 516,412.26 : x - Step 2: Convert to fraction form
924,391.44/1,275,613.56 = 516,412.26/x - Step 3: Cross multiply
924,391.44x = 1,275,613.56 × 516,412.26 - Step 4: Simplify right side
924,391.44x = 658,742,481,406.25 - Step 5: Solve for x
x = 658,742,481,406.25/924,391.44 - Step 6: Final answer
x = 712,622.87
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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.