Finding the Fourth Proportional to 415,845.48, 623,451.06 and 344,549.28
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Solution
The fourth proportional to 415,845.48, 623,451.06 and 344,549.28 is: 516,561.14
Step by Step Solution
- Step 1: Write the proportion equation
415,845.48 : 623,451.06 = 344,549.28 : x - Step 2: Convert to fraction form
415,845.48/623,451.06 = 344,549.28/x - Step 3: Cross multiply
415,845.48x = 623,451.06 × 344,549.28 - Step 4: Simplify right side
415,845.48x = 214,809,613,838.24 - Step 5: Solve for x
x = 214,809,613,838.24/415,845.48 - Step 6: Final answer
x = 516,561.14
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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.