Finding the Fourth Proportional to 788,651.98, 1,088,361.54 and 482,722.26
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Solution
The fourth proportional to 788,651.98, 1,088,361.54 and 482,722.26 is: 666,170.07
Step by Step Solution
- Step 1: Write the proportion equation
788,651.98 : 1,088,361.54 = 482,722.26 : x - Step 2: Convert to fraction form
788,651.98/1,088,361.54 = 482,722.26/x - Step 3: Cross multiply
788,651.98x = 1,088,361.54 × 482,722.26 - Step 4: Simplify right side
788,651.98x = 525,376,342,285.88 - Step 5: Solve for x
x = 525,376,342,285.88/788,651.98 - Step 6: Final answer
x = 666,170.07
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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.