Finding the Fourth Proportional to 657,635.45, 985,869.97 and 320,487.53
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Solution
The fourth proportional to 657,635.45, 985,869.97 and 320,487.53 is: 480,447.07
Step by Step Solution
- Step 1: Write the proportion equation
657,635.45 : 985,869.97 = 320,487.53 : x - Step 2: Convert to fraction form
657,635.45/985,869.97 = 320,487.53/x - Step 3: Cross multiply
657,635.45x = 985,869.97 × 320,487.53 - Step 4: Simplify right side
657,635.45x = 315,959,025,855.91 - Step 5: Solve for x
x = 315,959,025,855.91/657,635.45 - Step 6: Final answer
x = 480,447.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.