Finding the Fourth Proportional to 762,608.28, 1,052,449.29 and 440,331.96
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Solution
The fourth proportional to 762,608.28, 1,052,449.29 and 440,331.96 is: 607,686.90
Step by Step Solution
- Step 1: Write the proportion equation
762,608.28 : 1,052,449.29 = 440,331.96 : x - Step 2: Convert to fraction form
762,608.28/1,052,449.29 = 440,331.96/x - Step 3: Cross multiply
762,608.28x = 1,052,449.29 × 440,331.96 - Step 4: Simplify right side
762,608.28x = 463,427,058,666.31 - Step 5: Solve for x
x = 463,427,058,666.31/762,608.28 - Step 6: Final answer
x = 607,686.90
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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.