Finding the Fourth Proportional to 449,616.04, 620,884.50 and 288,751.36
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Solution
The fourth proportional to 449,616.04, 620,884.50 and 288,751.36 is: 398,742.99
Step by Step Solution
- Step 1: Write the proportion equation
449,616.04 : 620,884.50 = 288,751.36 : x - Step 2: Convert to fraction form
449,616.04/620,884.50 = 288,751.36/x - Step 3: Cross multiply
449,616.04x = 620,884.50 × 288,751.36 - Step 4: Simplify right side
449,616.04x = 179,281,243,777.92 - Step 5: Solve for x
x = 179,281,243,777.92/449,616.04 - Step 6: Final answer
x = 398,742.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.