Finding the Fourth Proportional to 529,747.02, 731,042.28 and 288,035.68
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Solution
The fourth proportional to 529,747.02, 731,042.28 and 288,035.68 is: 397,484.56
Step by Step Solution
- Step 1: Write the proportion equation
529,747.02 : 731,042.28 = 288,035.68 : x - Step 2: Convert to fraction form
529,747.02/731,042.28 = 288,035.68/x - Step 3: Cross multiply
529,747.02x = 731,042.28 × 288,035.68 - Step 4: Simplify right side
529,747.02x = 210,566,263,463.31 - Step 5: Solve for x
x = 210,566,263,463.31/529,747.02 - Step 6: Final answer
x = 397,484.56
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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.