Finding the Fourth Proportional to 810,244.04, 1,118,106.56 and 447,660.12
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Solution
The fourth proportional to 810,244.04, 1,118,106.56 and 447,660.12 is: 617,754.27
Step by Step Solution
- Step 1: Write the proportion equation
810,244.04 : 1,118,106.56 = 447,660.12 : x - Step 2: Convert to fraction form
810,244.04/1,118,106.56 = 447,660.12/x - Step 3: Cross multiply
810,244.04x = 1,118,106.56 × 447,660.12 - Step 4: Simplify right side
810,244.04x = 500,531,714,584.09 - Step 5: Solve for x
x = 500,531,714,584.09/810,244.04 - Step 6: Final answer
x = 617,754.27
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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.