Finding the Fourth Proportional to 607,994.97, 839,084.84 and 353,329.75
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Solution
The fourth proportional to 607,994.97, 839,084.84 and 353,329.75 is: 487,625.15
Step by Step Solution
- Step 1: Write the proportion equation
607,994.97 : 839,084.84 = 353,329.75 : x - Step 2: Convert to fraction form
607,994.97/839,084.84 = 353,329.75/x - Step 3: Cross multiply
607,994.97x = 839,084.84 × 353,329.75 - Step 4: Simplify right side
607,994.97x = 296,473,636,745.99 - Step 5: Solve for x
x = 296,473,636,745.99/607,994.97 - Step 6: Final answer
x = 487,625.15
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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.