Finding the Fourth Proportional to 683,675.20, 1,025,512.80 and 484,220.80
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Solution
The fourth proportional to 683,675.20, 1,025,512.80 and 484,220.80 is: 726,331.20
Step by Step Solution
- Step 1: Write the proportion equation
683,675.20 : 1,025,512.80 = 484,220.80 : x - Step 2: Convert to fraction form
683,675.20/1,025,512.80 = 484,220.80/x - Step 3: Cross multiply
683,675.20x = 1,025,512.80 × 484,220.80 - Step 4: Simplify right side
683,675.20x = 496,574,628,426.24 - Step 5: Solve for x
x = 496,574,628,426.24/683,675.20 - Step 6: Final answer
x = 726,331.20
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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.