Finding the Fourth Proportional to 727,844.96, 1,004,412.64 and 405,548.12
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Solution
The fourth proportional to 727,844.96, 1,004,412.64 and 405,548.12 is: 559,648.94
Step by Step Solution
- Step 1: Write the proportion equation
727,844.96 : 1,004,412.64 = 405,548.12 : x - Step 2: Convert to fraction form
727,844.96/1,004,412.64 = 405,548.12/x - Step 3: Cross multiply
727,844.96x = 1,004,412.64 × 405,548.12 - Step 4: Simplify right side
727,844.96x = 407,337,657,856.24 - Step 5: Solve for x
x = 407,337,657,856.24/727,844.96 - Step 6: Final answer
x = 559,648.94
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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.