Finding the Fourth Proportional to 963,163.23, 1,329,161.92 and 555,263.12
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Solution
The fourth proportional to 963,163.23, 1,329,161.92 and 555,263.12 is: 766,261.19
Step by Step Solution
- Step 1: Write the proportion equation
963,163.23 : 1,329,161.92 = 555,263.12 : x - Step 2: Convert to fraction form
963,163.23/1,329,161.92 = 555,263.12/x - Step 3: Cross multiply
963,163.23x = 1,329,161.92 × 555,263.12 - Step 4: Simplify right side
963,163.23x = 738,034,599,742.49 - Step 5: Solve for x
x = 738,034,599,742.49/963,163.23 - Step 6: Final answer
x = 766,261.19
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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.