Finding the Fourth Proportional to 485,047.44, 669,124.74 and 324,118.32
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Solution
The fourth proportional to 485,047.44, 669,124.74 and 324,118.32 is: 447,122.42
Step by Step Solution
- Step 1: Write the proportion equation
485,047.44 : 669,124.74 = 324,118.32 : x - Step 2: Convert to fraction form
485,047.44/669,124.74 = 324,118.32/x - Step 3: Cross multiply
485,047.44x = 669,124.74 × 324,118.32 - Step 4: Simplify right side
485,047.44x = 216,875,586,599.24 - Step 5: Solve for x
x = 216,875,586,599.24/485,047.44 - Step 6: Final answer
x = 447,122.42
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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.