Finding the Fourth Proportional to 529,832.07, 731,145.99 and 300,404.79
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Solution
The fourth proportional to 529,832.07, 731,145.99 and 300,404.79 is: 414,545.99
Step by Step Solution
- Step 1: Write the proportion equation
529,832.07 : 731,145.99 = 300,404.79 : x - Step 2: Convert to fraction form
529,832.07/731,145.99 = 300,404.79/x - Step 3: Cross multiply
529,832.07x = 731,145.99 × 300,404.79 - Step 4: Simplify right side
529,832.07x = 219,639,757,585.29 - Step 5: Solve for x
x = 219,639,757,585.29/529,832.07 - Step 6: Final answer
x = 414,545.99
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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.