Finding the Fourth Proportional to 820,232.80, 1,230,349.20 and 482,927.20
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Solution
The fourth proportional to 820,232.80, 1,230,349.20 and 482,927.20 is: 724,390.80
Step by Step Solution
- Step 1: Write the proportion equation
820,232.80 : 1,230,349.20 = 482,927.20 : x - Step 2: Convert to fraction form
820,232.80/1,230,349.20 = 482,927.20/x - Step 3: Cross multiply
820,232.80x = 1,230,349.20 × 482,927.20 - Step 4: Simplify right side
820,232.80x = 594,169,094,178.24 - Step 5: Solve for x
x = 594,169,094,178.24/820,232.80 - Step 6: Final answer
x = 724,390.80
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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.