Finding the Fourth Proportional to 407,220.08, 607,523.58 and 385,175.12
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Solution
The fourth proportional to 407,220.08, 607,523.58 and 385,175.12 is: 574,635.14
Step by Step Solution
- Step 1: Write the proportion equation
407,220.08 : 607,523.58 = 385,175.12 : x - Step 2: Convert to fraction form
407,220.08/607,523.58 = 385,175.12/x - Step 3: Cross multiply
407,220.08x = 607,523.58 × 385,175.12 - Step 4: Simplify right side
407,220.08x = 234,002,964,791.71 - Step 5: Solve for x
x = 234,002,964,791.71/407,220.08 - Step 6: Final answer
x = 574,635.14
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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.