Finding the Fourth Proportional to 720,079.68, 1,080,272.60 and 246,637.92
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Solution
The fourth proportional to 720,079.68, 1,080,272.60 and 246,637.92 is: 370,009.31
Step by Step Solution
- Step 1: Write the proportion equation
720,079.68 : 1,080,272.60 = 246,637.92 : x - Step 2: Convert to fraction form
720,079.68/1,080,272.60 = 246,637.92/x - Step 3: Cross multiply
720,079.68x = 1,080,272.60 × 246,637.92 - Step 4: Simplify right side
720,079.68x = 266,436,187,096.99 - Step 5: Solve for x
x = 266,436,187,096.99/720,079.68 - Step 6: Final answer
x = 370,009.31
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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.