Finding the Fourth Proportional to 921,489.66, 1,382,351.37 and 360,451.26
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Solution
The fourth proportional to 921,489.66, 1,382,351.37 and 360,451.26 is: 540,722.61
Step by Step Solution
- Step 1: Write the proportion equation
921,489.66 : 1,382,351.37 = 360,451.26 : x - Step 2: Convert to fraction form
921,489.66/1,382,351.37 = 360,451.26/x - Step 3: Cross multiply
921,489.66x = 1,382,351.37 × 360,451.26 - Step 4: Simplify right side
921,489.66x = 498,270,293,079.23 - Step 5: Solve for x
x = 498,270,293,079.23/921,489.66 - Step 6: Final answer
x = 540,722.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.