Finding the Fourth Proportional to 529,875.99, 731,100.87 and 336,213.09
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Solution
The fourth proportional to 529,875.99, 731,100.87 and 336,213.09 is: 463,892.85
Step by Step Solution
- Step 1: Write the proportion equation
529,875.99 : 731,100.87 = 336,213.09 : x - Step 2: Convert to fraction form
529,875.99/731,100.87 = 336,213.09/x - Step 3: Cross multiply
529,875.99x = 731,100.87 × 336,213.09 - Step 4: Simplify right side
529,875.99x = 245,805,682,604.39 - Step 5: Solve for x
x = 245,805,682,604.39/529,875.99 - Step 6: Final answer
x = 463,892.85
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1.5x scale
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.