Finding the Fourth Proportional to 463,467.70, 695,201.55 and 410,979.70
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Solution
The fourth proportional to 463,467.70, 695,201.55 and 410,979.70 is: 616,469.55
Step by Step Solution
- Step 1: Write the proportion equation
463,467.70 : 695,201.55 = 410,979.70 : x - Step 2: Convert to fraction form
463,467.70/695,201.55 = 410,979.70/x - Step 3: Cross multiply
463,467.70x = 695,201.55 × 410,979.70 - Step 4: Simplify right side
463,467.70x = 285,713,724,458.54 - Step 5: Solve for x
x = 285,713,724,458.54/463,467.70 - Step 6: Final answer
x = 616,469.55
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Similar ratio
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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.