Finding the Fourth Proportional to 945,450.64, 1,304,730.24 and 515,732.68
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Solution
The fourth proportional to 945,450.64, 1,304,730.24 and 515,732.68 is: 711,715.66
Step by Step Solution
- Step 1: Write the proportion equation
945,450.64 : 1,304,730.24 = 515,732.68 : x - Step 2: Convert to fraction form
945,450.64/1,304,730.24 = 515,732.68/x - Step 3: Cross multiply
945,450.64x = 1,304,730.24 × 515,732.68 - Step 4: Simplify right side
945,450.64x = 672,892,023,352.24 - Step 5: Solve for x
x = 672,892,023,352.24/945,450.64 - Step 6: Final answer
x = 711,715.66
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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.