Finding the Fourth Proportional to 412,080.93, 617,319.48 and 303,813.09
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Solution
The fourth proportional to 412,080.93, 617,319.48 and 303,813.09 is: 455,128.41
Step by Step Solution
- Step 1: Write the proportion equation
412,080.93 : 617,319.48 = 303,813.09 : x - Step 2: Convert to fraction form
412,080.93/617,319.48 = 303,813.09/x - Step 3: Cross multiply
412,080.93x = 617,319.48 × 303,813.09 - Step 4: Simplify right side
412,080.93x = 187,549,738,735.99 - Step 5: Solve for x
x = 187,549,738,735.99/412,080.93 - Step 6: Final answer
x = 455,128.41
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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.