Finding the Fourth Proportional to 896,115.42, 1,236,638.61 and 493,707.42
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Solution
The fourth proportional to 896,115.42, 1,236,638.61 and 493,707.42 is: 681,315.87
Step by Step Solution
- Step 1: Write the proportion equation
896,115.42 : 1,236,638.61 = 493,707.42 : x - Step 2: Convert to fraction form
896,115.42/1,236,638.61 = 493,707.42/x - Step 3: Cross multiply
896,115.42x = 1,236,638.61 × 493,707.42 - Step 4: Simplify right side
896,115.42x = 610,537,657,615.49 - Step 5: Solve for x
x = 610,537,657,615.49/896,115.42 - Step 6: Final answer
x = 681,315.87
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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.