Finding the Fourth Proportional to 716,542.48, 988,852.44 and 394,276.24
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Solution
The fourth proportional to 716,542.48, 988,852.44 and 394,276.24 is: 544,114.32
Step by Step Solution
- Step 1: Write the proportion equation
716,542.48 : 988,852.44 = 394,276.24 : x - Step 2: Convert to fraction form
716,542.48/988,852.44 = 394,276.24/x - Step 3: Cross multiply
716,542.48x = 988,852.44 × 394,276.24 - Step 4: Simplify right side
716,542.48x = 389,881,021,958.03 - Step 5: Solve for x
x = 389,881,021,958.03/716,542.48 - Step 6: Final answer
x = 544,114.32
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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.