Finding the Fourth Proportional to 716,673.08, 988,984.05 and 394,353.02
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Solution
The fourth proportional to 716,673.08, 988,984.05 and 394,353.02 is: 544,193.52
Step by Step Solution
- Step 1: Write the proportion equation
716,673.08 : 988,984.05 = 394,353.02 : x - Step 2: Convert to fraction form
716,673.08/988,984.05 = 394,353.02/x - Step 3: Cross multiply
716,673.08x = 988,984.05 × 394,353.02 - Step 4: Simplify right side
716,673.08x = 390,008,846,849.33 - Step 5: Solve for x
x = 390,008,846,849.33/716,673.08 - Step 6: Final answer
x = 544,193.52
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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.