Finding the Fourth Proportional to 681,160.08, 940,000.56 and 394,846.08
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Solution
The fourth proportional to 681,160.08, 940,000.56 and 394,846.08 is: 544,887.39
Step by Step Solution
- Step 1: Write the proportion equation
681,160.08 : 940,000.56 = 394,846.08 : x - Step 2: Convert to fraction form
681,160.08/940,000.56 = 394,846.08/x - Step 3: Cross multiply
681,160.08x = 940,000.56 × 394,846.08 - Step 4: Simplify right side
681,160.08x = 371,155,536,313.81 - Step 5: Solve for x
x = 371,155,536,313.81/681,160.08 - Step 6: Final answer
x = 544,887.39
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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.