Finding the Fourth Proportional to 896,396.44, 1,236,991.10 and 488,489.59
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Solution
The fourth proportional to 896,396.44, 1,236,991.10 and 488,489.59 is: 674,096.02
Step by Step Solution
- Step 1: Write the proportion equation
896,396.44 : 1,236,991.10 = 488,489.59 : x - Step 2: Convert to fraction form
896,396.44/1,236,991.10 = 488,489.59/x - Step 3: Cross multiply
896,396.44x = 1,236,991.10 × 488,489.59 - Step 4: Simplify right side
896,396.44x = 604,257,275,272.65 - Step 5: Solve for x
x = 604,257,275,272.65/896,396.44 - Step 6: Final answer
x = 674,096.02
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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.