Finding the Fourth Proportional to 543,768.77, 750,231.63 and 314,242.44
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Solution
The fourth proportional to 543,768.77, 750,231.63 and 314,242.44 is: 433,556.75
Step by Step Solution
- Step 1: Write the proportion equation
543,768.77 : 750,231.63 = 314,242.44 : x - Step 2: Convert to fraction form
543,768.77/750,231.63 = 314,242.44/x - Step 3: Cross multiply
543,768.77x = 750,231.63 × 314,242.44 - Step 4: Simplify right side
543,768.77x = 235,754,617,976.38 - Step 5: Solve for x
x = 235,754,617,976.38/543,768.77 - Step 6: Final answer
x = 433,556.75
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1.5x scale
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.