Finding the Fourth Proportional to 529,872.48, 731,209.68 and 300,471.84
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Solution
The fourth proportional to 529,872.48, 731,209.68 and 300,471.84 is: 414,643.01
Step by Step Solution
- Step 1: Write the proportion equation
529,872.48 : 731,209.68 = 300,471.84 : x - Step 2: Convert to fraction form
529,872.48/731,209.68 = 300,471.84/x - Step 3: Cross multiply
529,872.48x = 731,209.68 × 300,471.84 - Step 4: Simplify right side
529,872.48x = 219,707,917,975.41 - Step 5: Solve for x
x = 219,707,917,975.41/529,872.48 - Step 6: Final answer
x = 414,643.01
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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.