Finding the Fourth Proportional to 447,206.26, 670,809.39 and 306,538.42
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Solution
The fourth proportional to 447,206.26, 670,809.39 and 306,538.42 is: 459,807.63
Step by Step Solution
- Step 1: Write the proportion equation
447,206.26 : 670,809.39 = 306,538.42 : x - Step 2: Convert to fraction form
447,206.26/670,809.39 = 306,538.42/x - Step 3: Cross multiply
447,206.26x = 670,809.39 × 306,538.42 - Step 4: Simplify right side
447,206.26x = 205,628,850,531.76 - Step 5: Solve for x
x = 205,628,850,531.76/447,206.26 - Step 6: Final answer
x = 459,807.63
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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.