Finding the Fourth Proportional to 1,125,325, 1,688,135.70 and 366,900.12
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Solution
The fourth proportional to 1,125,325, 1,688,135.70 and 366,900.12 is: 550,398.50
Step by Step Solution
- Step 1: Write the proportion equation
1,125,325 : 1,688,135.70 = 366,900.12 : x - Step 2: Convert to fraction form
1,125,325/1,688,135.70 = 366,900.12/x - Step 3: Cross multiply
1,125,325x = 1,688,135.70 × 366,900.12 - Step 4: Simplify right side
1,125,325x = 619,377,190,906.28 - Step 5: Solve for x
x = 619,377,190,906.28/1,125,325 - Step 6: Final answer
x = 550,398.50
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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.