Finding the Fourth Proportional to 716,383.17, 988,587.99 and 394,093.08
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Solution
The fourth proportional to 716,383.17, 988,587.99 and 394,093.08 is: 543,837.02
Step by Step Solution
- Step 1: Write the proportion equation
716,383.17 : 988,587.99 = 394,093.08 : x - Step 2: Convert to fraction form
716,383.17/988,587.99 = 394,093.08/x - Step 3: Cross multiply
716,383.17x = 988,587.99 × 394,093.08 - Step 4: Simplify right side
716,383.17x = 389,595,685,830.11 - Step 5: Solve for x
x = 389,595,685,830.11/716,383.17 - Step 6: Final answer
x = 543,837.02
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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.