Finding the Fourth Proportional to 543,917.64, 750,657.06 and 329,110.68
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Solution
The fourth proportional to 543,917.64, 750,657.06 and 329,110.68 is: 454,203.43
Step by Step Solution
- Step 1: Write the proportion equation
543,917.64 : 750,657.06 = 329,110.68 : x - Step 2: Convert to fraction form
543,917.64/750,657.06 = 329,110.68/x - Step 3: Cross multiply
543,917.64x = 750,657.06 × 329,110.68 - Step 4: Simplify right side
543,917.64x = 247,049,255,463.40 - Step 5: Solve for x
x = 247,049,255,463.40/543,917.64 - Step 6: Final answer
x = 454,203.43
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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.