Finding the Fourth Proportional to 964,391.20, 1,330,938.72 and 534,806.08
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Solution
The fourth proportional to 964,391.20, 1,330,938.72 and 534,806.08 is: 738,076.12
Step by Step Solution
- Step 1: Write the proportion equation
964,391.20 : 1,330,938.72 = 534,806.08 : x - Step 2: Convert to fraction form
964,391.20/1,330,938.72 = 534,806.08/x - Step 3: Cross multiply
964,391.20x = 1,330,938.72 × 534,806.08 - Step 4: Simplify right side
964,391.20x = 711,794,119,563.42 - Step 5: Solve for x
x = 711,794,119,563.42/964,391.20 - Step 6: Final answer
x = 738,076.12
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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.