Finding the Fourth Proportional to 608,553.12, 839,738.68 and 336,577.80
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Solution
The fourth proportional to 608,553.12, 839,738.68 and 336,577.80 is: 464,441.62
Step by Step Solution
- Step 1: Write the proportion equation
608,553.12 : 839,738.68 = 336,577.80 : x - Step 2: Convert to fraction form
608,553.12/839,738.68 = 336,577.80/x - Step 3: Cross multiply
608,553.12x = 839,738.68 × 336,577.80 - Step 4: Simplify right side
608,553.12x = 282,637,397,489.30 - Step 5: Solve for x
x = 282,637,397,489.30/608,553.12 - Step 6: Final answer
x = 464,441.62
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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.