Finding the Fourth Proportional to 929,755.66, 1,393,315.08 and 389,429.68
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Solution
The fourth proportional to 929,755.66, 1,393,315.08 and 389,429.68 is: 583,592.30
Step by Step Solution
- Step 1: Write the proportion equation
929,755.66 : 1,393,315.08 = 389,429.68 : x - Step 2: Convert to fraction form
929,755.66/1,393,315.08 = 389,429.68/x - Step 3: Cross multiply
929,755.66x = 1,393,315.08 × 389,429.68 - Step 4: Simplify right side
929,755.66x = 542,598,245,743.57 - Step 5: Solve for x
x = 542,598,245,743.57/929,755.66 - Step 6: Final answer
x = 583,592.30
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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.