Finding the Fourth Proportional to 740,546.64, 1,109,024.24 and 512,201.40
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Solution
The fourth proportional to 740,546.64, 1,109,024.24 and 512,201.40 is: 767,060.09
Step by Step Solution
- Step 1: Write the proportion equation
740,546.64 : 1,109,024.24 = 512,201.40 : x - Step 2: Convert to fraction form
740,546.64/1,109,024.24 = 512,201.40/x - Step 3: Cross multiply
740,546.64x = 1,109,024.24 × 512,201.40 - Step 4: Simplify right side
740,546.64x = 568,043,769,803.23 - Step 5: Solve for x
x = 568,043,769,803.23/740,546.64 - Step 6: Final answer
x = 767,060.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.