Finding the Fourth Proportional to 511,771.93, 768,323.11 and 393,526.31
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Solution
The fourth proportional to 511,771.93, 768,323.11 and 393,526.31 is: 590,800.98
Step by Step Solution
- Step 1: Write the proportion equation
511,771.93 : 768,323.11 = 393,526.31 : x - Step 2: Convert to fraction form
511,771.93/768,323.11 = 393,526.31/x - Step 3: Cross multiply
511,771.93x = 768,323.11 × 393,526.31 - Step 4: Simplify right side
511,771.93x = 302,355,358,366.02 - Step 5: Solve for x
x = 302,355,358,366.02/511,771.93 - Step 6: Final answer
x = 590,800.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.