Finding the Fourth Proportional to 939,729.87, 1,296,337.37 and 577,235.43
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Solution
The fourth proportional to 939,729.87, 1,296,337.37 and 577,235.43 is: 796,284.00
Step by Step Solution
- Step 1: Write the proportion equation
939,729.87 : 1,296,337.37 = 577,235.43 : x - Step 2: Convert to fraction form
939,729.87/1,296,337.37 = 577,235.43/x - Step 3: Cross multiply
939,729.87x = 1,296,337.37 × 577,235.43 - Step 4: Simplify right side
939,729.87x = 748,291,856,310.84 - Step 5: Solve for x
x = 748,291,856,310.84/939,729.87 - Step 6: Final answer
x = 796,284.00
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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.