Finding the Fourth Proportional to 899,512.35, 1,241,324.07 and 491,614.08
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Solution
The fourth proportional to 899,512.35, 1,241,324.07 and 491,614.08 is: 678,425.81
Step by Step Solution
- Step 1: Write the proportion equation
899,512.35 : 1,241,324.07 = 491,614.08 : x - Step 2: Convert to fraction form
899,512.35/1,241,324.07 = 491,614.08/x - Step 3: Cross multiply
899,512.35x = 1,241,324.07 × 491,614.08 - Step 4: Simplify right side
899,512.35x = 610,252,389,280.91 - Step 5: Solve for x
x = 610,252,389,280.91/899,512.35 - Step 6: Final answer
x = 678,425.81
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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.