Finding the Fourth Proportional to 625,546.72, 863,751.36 and 577,782.64
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Solution
The fourth proportional to 625,546.72, 863,751.36 and 577,782.64 is: 797,798.99
Step by Step Solution
- Step 1: Write the proportion equation
625,546.72 : 863,751.36 = 577,782.64 : x - Step 2: Convert to fraction form
625,546.72/863,751.36 = 577,782.64/x - Step 3: Cross multiply
625,546.72x = 863,751.36 × 577,782.64 - Step 4: Simplify right side
625,546.72x = 499,060,541,084.39 - Step 5: Solve for x
x = 499,060,541,084.39/625,546.72 - Step 6: Final answer
x = 797,798.99
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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.