Finding the Fourth Proportional to 478,591.08, 660,463.56 and 263,728.08
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Solution
The fourth proportional to 478,591.08, 660,463.56 and 263,728.08 is: 363,949.09
Step by Step Solution
- Step 1: Write the proportion equation
478,591.08 : 660,463.56 = 263,728.08 : x - Step 2: Convert to fraction form
478,591.08/660,463.56 = 263,728.08/x - Step 3: Cross multiply
478,591.08x = 660,463.56 × 263,728.08 - Step 4: Simplify right side
478,591.08x = 174,182,786,588.77 - Step 5: Solve for x
x = 174,182,786,588.77/478,591.08 - Step 6: Final answer
x = 363,949.09
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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.