Finding the Fourth Proportional to 478,653.93, 660,512.75 and 263,781.99
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Solution
The fourth proportional to 478,653.93, 660,512.75 and 263,781.99 is: 364,002.79
Step by Step Solution
- Step 1: Write the proportion equation
478,653.93 : 660,512.75 = 263,781.99 : x - Step 2: Convert to fraction form
478,653.93/660,512.75 = 263,781.99/x - Step 3: Cross multiply
478,653.93x = 660,512.75 × 263,781.99 - Step 4: Simplify right side
478,653.93x = 174,231,366,296.46 - Step 5: Solve for x
x = 174,231,366,296.46/478,653.93 - Step 6: Final answer
x = 364,002.79
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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.