Finding the Fourth Proportional to 734,615.21, 1,013,713.35 and 412,263.02
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Solution
The fourth proportional to 734,615.21, 1,013,713.35 and 412,263.02 is: 568,891.74
Step by Step Solution
- Step 1: Write the proportion equation
734,615.21 : 1,013,713.35 = 412,263.02 : x - Step 2: Convert to fraction form
734,615.21/1,013,713.35 = 412,263.02/x - Step 3: Cross multiply
734,615.21x = 1,013,713.35 × 412,263.02 - Step 4: Simplify right side
734,615.21x = 417,916,522,016.75 - Step 5: Solve for x
x = 417,916,522,016.75/734,615.21 - Step 6: Final answer
x = 568,891.74
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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.