Finding the Fourth Proportional to 894,306.62, 1,234,142.25 and 512,334.92
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Solution
The fourth proportional to 894,306.62, 1,234,142.25 and 512,334.92 is: 707,021.68
Step by Step Solution
- Step 1: Write the proportion equation
894,306.62 : 1,234,142.25 = 512,334.92 : x - Step 2: Convert to fraction form
894,306.62/1,234,142.25 = 512,334.92/x - Step 3: Cross multiply
894,306.62x = 1,234,142.25 × 512,334.92 - Step 4: Simplify right side
894,306.62x = 632,294,170,922.37 - Step 5: Solve for x
x = 632,294,170,922.37/894,306.62 - Step 6: Final answer
x = 707,021.68
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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.