Finding the Fourth Proportional to 529,591.05, 730,849.86 and 287,889.84
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Solution
The fourth proportional to 529,591.05, 730,849.86 and 287,889.84 is: 397,295.70
Step by Step Solution
- Step 1: Write the proportion equation
529,591.05 : 730,849.86 = 287,889.84 : x - Step 2: Convert to fraction form
529,591.05/730,849.86 = 287,889.84/x - Step 3: Cross multiply
529,591.05x = 730,849.86 × 287,889.84 - Step 4: Simplify right side
529,591.05x = 210,404,249,259.42 - Step 5: Solve for x
x = 210,404,249,259.42/529,591.05 - Step 6: Final answer
x = 397,295.70
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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.