Finding the Fourth Proportional to 452,620.71, 624,728.84 and 261,744.75
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Solution
The fourth proportional to 452,620.71, 624,728.84 and 261,744.75 is: 361,272.67
Step by Step Solution
- Step 1: Write the proportion equation
452,620.71 : 624,728.84 = 261,744.75 : x - Step 2: Convert to fraction form
452,620.71/624,728.84 = 261,744.75/x - Step 3: Cross multiply
452,620.71x = 624,728.84 × 261,744.75 - Step 4: Simplify right side
452,620.71x = 163,519,492,734.87 - Step 5: Solve for x
x = 163,519,492,734.87/452,620.71 - Step 6: Final answer
x = 361,272.67
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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.