Finding the Fourth Proportional to 768,904.96, 1,152,554.88 and 263,317.12
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Solution
The fourth proportional to 768,904.96, 1,152,554.88 and 263,317.12 is: 394,700.84
Step by Step Solution
- Step 1: Write the proportion equation
768,904.96 : 1,152,554.88 = 263,317.12 : x - Step 2: Convert to fraction form
768,904.96/1,152,554.88 = 263,317.12/x - Step 3: Cross multiply
768,904.96x = 1,152,554.88 × 263,317.12 - Step 4: Simplify right side
768,904.96x = 303,487,431,643.55 - Step 5: Solve for x
x = 303,487,431,643.55/768,904.96 - Step 6: Final answer
x = 394,700.84
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1.5x scale
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.