Finding the Fourth Proportional to 655,420.80, 983,163.60 and 340,492.80
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Solution
The fourth proportional to 655,420.80, 983,163.60 and 340,492.80 is: 510,756.03
Step by Step Solution
- Step 1: Write the proportion equation
655,420.80 : 983,163.60 = 340,492.80 : x - Step 2: Convert to fraction form
655,420.80/983,163.60 = 340,492.80/x - Step 3: Cross multiply
655,420.80x = 983,163.60 × 340,492.80 - Step 4: Simplify right side
655,420.80x = 334,760,127,022.08 - Step 5: Solve for x
x = 334,760,127,022.08/655,420.80 - Step 6: Final answer
x = 510,756.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.