Finding the Fourth Proportional to 679,958.96, 938,324.32 and 374,035.12
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Solution
The fourth proportional to 679,958.96, 938,324.32 and 374,035.12 is: 516,157.99
Step by Step Solution
- Step 1: Write the proportion equation
679,958.96 : 938,324.32 = 374,035.12 : x - Step 2: Convert to fraction form
679,958.96/938,324.32 = 374,035.12/x - Step 3: Cross multiply
679,958.96x = 938,324.32 × 374,035.12 - Step 4: Simplify right side
679,958.96x = 350,966,249,630.12 - Step 5: Solve for x
x = 350,966,249,630.12/679,958.96 - Step 6: Final answer
x = 516,157.99
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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.