Finding the Fourth Proportional to 751,728.11, 1,127,842.82 and 500,000.99
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Solution
The fourth proportional to 751,728.11, 1,127,842.82 and 500,000.99 is: 750,168.20
Step by Step Solution
- Step 1: Write the proportion equation
751,728.11 : 1,127,842.82 = 500,000.99 : x - Step 2: Convert to fraction form
751,728.11/1,127,842.82 = 500,000.99/x - Step 3: Cross multiply
751,728.11x = 1,127,842.82 × 500,000.99 - Step 4: Simplify right side
751,728.11x = 563,922,524,994.79 - Step 5: Solve for x
x = 563,922,524,994.79/751,728.11 - Step 6: Final answer
x = 750,168.20
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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.