Finding the Fourth Proportional to 737,642.82, 1,017,994.09 and 447,282.12
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Solution
The fourth proportional to 737,642.82, 1,017,994.09 and 447,282.12 is: 617,277.82
Step by Step Solution
- Step 1: Write the proportion equation
737,642.82 : 1,017,994.09 = 447,282.12 : x - Step 2: Convert to fraction form
737,642.82/1,017,994.09 = 447,282.12/x - Step 3: Cross multiply
737,642.82x = 1,017,994.09 × 447,282.12 - Step 4: Simplify right side
737,642.82x = 455,330,554,722.67 - Step 5: Solve for x
x = 455,330,554,722.67/737,642.82 - Step 6: Final answer
x = 617,277.82
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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.