Finding the Fourth Proportional to 1,029,975.40, 1,544,965.98 and 320,107.24
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Solution
The fourth proportional to 1,029,975.40, 1,544,965.98 and 320,107.24 is: 480,161.76
Step by Step Solution
- Step 1: Write the proportion equation
1,029,975.40 : 1,544,965.98 = 320,107.24 : x - Step 2: Convert to fraction form
1,029,975.40/1,544,965.98 = 320,107.24/x - Step 3: Cross multiply
1,029,975.40x = 1,544,965.98 × 320,107.24 - Step 4: Simplify right side
1,029,975.40x = 494,554,795,751.70 - Step 5: Solve for x
x = 494,554,795,751.70/1,029,975.40 - Step 6: Final answer
x = 480,161.76
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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.