Finding the Fourth Proportional to 407,995.08, 607,891.91 and 385,076.23
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Solution
The fourth proportional to 407,995.08, 607,891.91 and 385,076.23 is: 573,743.99
Step by Step Solution
- Step 1: Write the proportion equation
407,995.08 : 607,891.91 = 385,076.23 : x - Step 2: Convert to fraction form
407,995.08/607,891.91 = 385,076.23/x - Step 3: Cross multiply
407,995.08x = 607,891.91 × 385,076.23 - Step 4: Simplify right side
407,995.08x = 234,084,724,950.30 - Step 5: Solve for x
x = 234,084,724,950.30/407,995.08 - Step 6: Final answer
x = 573,743.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.