Finding the Fourth Proportional to 632,682.36, 872,193.37 and 451,079.00
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Solution
The fourth proportional to 632,682.36, 872,193.37 and 451,079.00 is: 621,841.45
Step by Step Solution
- Step 1: Write the proportion equation
632,682.36 : 872,193.37 = 451,079.00 : x - Step 2: Convert to fraction form
632,682.36/872,193.37 = 451,079.00/x - Step 3: Cross multiply
632,682.36x = 872,193.37 × 451,079.00 - Step 4: Simplify right side
632,682.36x = 393,428,114,227.11 - Step 5: Solve for x
x = 393,428,114,227.11/632,682.36 - Step 6: Final answer
x = 621,841.45
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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.