Finding the Fourth Proportional to 800,662.18, 1,201,400.58 and 351,266.50
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Solution
The fourth proportional to 800,662.18, 1,201,400.58 and 351,266.50 is: 527,078.45
Step by Step Solution
- Step 1: Write the proportion equation
800,662.18 : 1,201,400.58 = 351,266.50 : x - Step 2: Convert to fraction form
800,662.18/1,201,400.58 = 351,266.50/x - Step 3: Cross multiply
800,662.18x = 1,201,400.58 × 351,266.50 - Step 4: Simplify right side
800,662.18x = 422,011,776,834.57 - Step 5: Solve for x
x = 422,011,776,834.57/800,662.18 - Step 6: Final answer
x = 527,078.45
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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.