Finding the Fourth Proportional to 653,163.80, 901,464.42 and 398,662.88
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Solution
The fourth proportional to 653,163.80, 901,464.42 and 398,662.88 is: 550,214.82
Step by Step Solution
- Step 1: Write the proportion equation
653,163.80 : 901,464.42 = 398,662.88 : x - Step 2: Convert to fraction form
653,163.80/901,464.42 = 398,662.88/x - Step 3: Cross multiply
653,163.80x = 901,464.42 × 398,662.88 - Step 4: Simplify right side
653,163.80x = 359,380,401,894.73 - Step 5: Solve for x
x = 359,380,401,894.73/653,163.80 - Step 6: Final answer
x = 550,214.82
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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.