Finding the Fourth Proportional to 753,832.88, 1,040,298.12 and 414,301.68
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Solution
The fourth proportional to 753,832.88, 1,040,298.12 and 414,301.68 is: 571,741.12
Step by Step Solution
- Step 1: Write the proportion equation
753,832.88 : 1,040,298.12 = 414,301.68 : x - Step 2: Convert to fraction form
753,832.88/1,040,298.12 = 414,301.68/x - Step 3: Cross multiply
753,832.88x = 1,040,298.12 × 414,301.68 - Step 4: Simplify right side
753,832.88x = 430,997,258,816.84 - Step 5: Solve for x
x = 430,997,258,816.84/753,832.88 - Step 6: Final answer
x = 571,741.12
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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.