Finding the Fourth Proportional to 804,825.84, 1,206,488.34 and 271,974.21
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Solution
The fourth proportional to 804,825.84, 1,206,488.34 and 271,974.21 is: 407,707.73
Step by Step Solution
- Step 1: Write the proportion equation
804,825.84 : 1,206,488.34 = 271,974.21 : x - Step 2: Convert to fraction form
804,825.84/1,206,488.34 = 271,974.21/x - Step 3: Cross multiply
804,825.84x = 1,206,488.34 × 271,974.21 - Step 4: Simplify right side
804,825.84x = 328,133,713,145.71 - Step 5: Solve for x
x = 328,133,713,145.71/804,825.84 - Step 6: Final answer
x = 407,707.73
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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.