Finding the Fourth Proportional to 734,075.87, 1,013,380.80 and 492,270.17
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Solution
The fourth proportional to 734,075.87, 1,013,380.80 and 492,270.17 is: 679,571.63
Step by Step Solution
- Step 1: Write the proportion equation
734,075.87 : 1,013,380.80 = 492,270.17 : x - Step 2: Convert to fraction form
734,075.87/1,013,380.80 = 492,270.17/x - Step 3: Cross multiply
734,075.87x = 1,013,380.80 × 492,270.17 - Step 4: Simplify right side
734,075.87x = 498,857,138,690.74 - Step 5: Solve for x
x = 498,857,138,690.74/734,075.87 - Step 6: Final answer
x = 679,571.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.