Finding the Fourth Proportional to 639,591.09, 882,612.50 and 349,197.29
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Solution
The fourth proportional to 639,591.09, 882,612.50 and 349,197.29 is: 481,879.59
Step by Step Solution
- Step 1: Write the proportion equation
639,591.09 : 882,612.50 = 349,197.29 : x - Step 2: Convert to fraction form
639,591.09/882,612.50 = 349,197.29/x - Step 3: Cross multiply
639,591.09x = 882,612.50 × 349,197.29 - Step 4: Simplify right side
639,591.09x = 308,205,893,120.13 - Step 5: Solve for x
x = 308,205,893,120.13/639,591.09 - Step 6: Final answer
x = 481,879.59
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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.