Finding the Fourth Proportional to 986,891.08, 1,361,911.73 and 534,182.08
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Solution
The fourth proportional to 986,891.08, 1,361,911.73 and 534,182.08 is: 737,172.37
Step by Step Solution
- Step 1: Write the proportion equation
986,891.08 : 1,361,911.73 = 534,182.08 : x - Step 2: Convert to fraction form
986,891.08/1,361,911.73 = 534,182.08/x - Step 3: Cross multiply
986,891.08x = 1,361,911.73 × 534,182.08 - Step 4: Simplify right side
986,891.08x = 727,508,840,707.80 - Step 5: Solve for x
x = 727,508,840,707.80/986,891.08 - Step 6: Final answer
x = 737,172.37
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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.