Finding the Fourth Proportional to 819,250.72, 1,130,102.94 and 512,795.06
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Solution
The fourth proportional to 819,250.72, 1,130,102.94 and 512,795.06 is: 707,367.34
Step by Step Solution
- Step 1: Write the proportion equation
819,250.72 : 1,130,102.94 = 512,795.06 : x - Step 2: Convert to fraction form
819,250.72/1,130,102.94 = 512,795.06/x - Step 3: Cross multiply
819,250.72x = 1,130,102.94 × 512,795.06 - Step 4: Simplify right side
819,250.72x = 579,511,204,923.48 - Step 5: Solve for x
x = 579,511,204,923.48/819,250.72 - Step 6: Final answer
x = 707,367.34
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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.