Finding the Fourth Proportional to 722,966.19, 1,084,199.10 and 296,380.91
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Solution
The fourth proportional to 722,966.19, 1,084,199.10 and 296,380.91 is: 444,468.79
Step by Step Solution
- Step 1: Write the proportion equation
722,966.19 : 1,084,199.10 = 296,380.91 : x - Step 2: Convert to fraction form
722,966.19/1,084,199.10 = 296,380.91/x - Step 3: Cross multiply
722,966.19x = 1,084,199.10 × 296,380.91 - Step 4: Simplify right side
722,966.19x = 321,335,910,458.19 - Step 5: Solve for x
x = 321,335,910,458.19/722,966.19 - Step 6: Final answer
x = 444,468.79
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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.