Finding the Fourth Proportional to 672,428.64, 927,943.36 and 366,504.08
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Solution
The fourth proportional to 672,428.64, 927,943.36 and 366,504.08 is: 505,771.17
Step by Step Solution
- Step 1: Write the proportion equation
672,428.64 : 927,943.36 = 366,504.08 : x - Step 2: Convert to fraction form
672,428.64/927,943.36 = 366,504.08/x - Step 3: Cross multiply
672,428.64x = 927,943.36 × 366,504.08 - Step 4: Simplify right side
672,428.64x = 340,095,023,644.71 - Step 5: Solve for x
x = 340,095,023,644.71/672,428.64 - Step 6: Final answer
x = 505,771.17
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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.