Finding the Fourth Proportional to 608,725.12, 840,309.70 and 363,796.28
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Solution
The fourth proportional to 608,725.12, 840,309.70 and 363,796.28 is: 502,199.65
Step by Step Solution
- Step 1: Write the proportion equation
608,725.12 : 840,309.70 = 363,796.28 : x - Step 2: Convert to fraction form
608,725.12/840,309.70 = 363,796.28/x - Step 3: Cross multiply
608,725.12x = 840,309.70 × 363,796.28 - Step 4: Simplify right side
608,725.12x = 305,701,542,907.92 - Step 5: Solve for x
x = 305,701,542,907.92/608,725.12 - Step 6: Final answer
x = 502,199.65
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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.