Finding the Fourth Proportional to 620,657.79, 929,694.98 and 394,899.92
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Solution
The fourth proportional to 620,657.79, 929,694.98 and 394,899.92 is: 591,528.02
Step by Step Solution
- Step 1: Write the proportion equation
620,657.79 : 929,694.98 = 394,899.92 : x - Step 2: Convert to fraction form
620,657.79/929,694.98 = 394,899.92/x - Step 3: Cross multiply
620,657.79x = 929,694.98 × 394,899.92 - Step 4: Simplify right side
620,657.79x = 367,136,473,051.53 - Step 5: Solve for x
x = 367,136,473,051.53/620,657.79 - Step 6: Final answer
x = 591,528.02
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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.