Finding the Fourth Proportional to 896,121.42, 1,236,646.88 and 493,713.42
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Solution
The fourth proportional to 896,121.42, 1,236,646.88 and 493,713.42 is: 681,324.15
Step by Step Solution
- Step 1: Write the proportion equation
896,121.42 : 1,236,646.88 = 493,713.42 : x - Step 2: Convert to fraction form
896,121.42/1,236,646.88 = 493,713.42/x - Step 3: Cross multiply
896,121.42x = 1,236,646.88 × 493,713.42 - Step 4: Simplify right side
896,121.42x = 610,549,160,457.13 - Step 5: Solve for x
x = 610,549,160,457.13/896,121.42 - Step 6: Final answer
x = 681,324.15
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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.