Finding the Fourth Proportional to 492,114.20, 738,171.30 and 403,467.80
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Solution
The fourth proportional to 492,114.20, 738,171.30 and 403,467.80 is: 605,201.70
Step by Step Solution
- Step 1: Write the proportion equation
492,114.20 : 738,171.30 = 403,467.80 : x - Step 2: Convert to fraction form
492,114.20/738,171.30 = 403,467.80/x - Step 3: Cross multiply
492,114.20x = 738,171.30 × 403,467.80 - Step 4: Simplify right side
492,114.20x = 297,828,350,434.14 - Step 5: Solve for x
x = 297,828,350,434.14/492,114.20 - Step 6: Final answer
x = 605,201.70
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1.5x scale
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.