Finding the Fourth Proportional to 986,651.07, 1,361,582.84 and 533,942.19
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Solution
The fourth proportional to 986,651.07, 1,361,582.84 and 533,942.19 is: 736,842.58
Step by Step Solution
- Step 1: Write the proportion equation
986,651.07 : 1,361,582.84 = 533,942.19 : x - Step 2: Convert to fraction form
986,651.07/1,361,582.84 = 533,942.19/x - Step 3: Cross multiply
986,651.07x = 1,361,582.84 × 533,942.19 - Step 4: Simplify right side
986,651.07x = 727,006,520,786.31 - Step 5: Solve for x
x = 727,006,520,786.31/986,651.07 - Step 6: Final answer
x = 736,842.58
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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.