Finding the Fourth Proportional to 717,420.11, 1,075,756.49 and 267,771.18
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Solution
The fourth proportional to 717,420.11, 1,075,756.49 and 267,771.18 is: 401,517.31
Step by Step Solution
- Step 1: Write the proportion equation
717,420.11 : 1,075,756.49 = 267,771.18 : x - Step 2: Convert to fraction form
717,420.11/1,075,756.49 = 267,771.18/x - Step 3: Cross multiply
717,420.11x = 1,075,756.49 × 267,771.18 - Step 4: Simplify right side
717,420.11x = 288,056,589,925.54 - Step 5: Solve for x
x = 288,056,589,925.54/717,420.11 - Step 6: Final answer
x = 401,517.31
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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.