Finding the Fourth Proportional to 751,750.20, 1,124,344.80 and 672,362.10
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Solution
The fourth proportional to 751,750.20, 1,124,344.80 and 672,362.10 is: 1,005,609.09
Step by Step Solution
- Step 1: Write the proportion equation
751,750.20 : 1,124,344.80 = 672,362.10 : x - Step 2: Convert to fraction form
751,750.20/1,124,344.80 = 672,362.10/x - Step 3: Cross multiply
751,750.20x = 1,124,344.80 × 672,362.10 - Step 4: Simplify right side
751,750.20x = 755,966,830,852.08 - Step 5: Solve for x
x = 755,966,830,852.08/751,750.20 - Step 6: Final answer
x = 1,005,609.09
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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.