Finding the Fourth Proportional to 753,810.96, 1,040,247.36 and 414,271.92
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Solution
The fourth proportional to 753,810.96, 1,040,247.36 and 414,271.92 is: 571,688.78
Step by Step Solution
- Step 1: Write the proportion equation
753,810.96 : 1,040,247.36 = 414,271.92 : x - Step 2: Convert to fraction form
753,810.96/1,040,247.36 = 414,271.92/x - Step 3: Cross multiply
753,810.96x = 1,040,247.36 × 414,271.92 - Step 4: Simplify right side
753,810.96x = 430,945,271,102.13 - Step 5: Solve for x
x = 430,945,271,102.13/753,810.96 - Step 6: Final answer
x = 571,688.78
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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.