Finding the Fourth Proportional to 1,414,930.40, 2,122,395.60 and 468,396.80
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Solution
The fourth proportional to 1,414,930.40, 2,122,395.60 and 468,396.80 is: 702,595.20
Step by Step Solution
- Step 1: Write the proportion equation
1,414,930.40 : 2,122,395.60 = 468,396.80 : x - Step 2: Convert to fraction form
1,414,930.40/2,122,395.60 = 468,396.80/x - Step 3: Cross multiply
1,414,930.40x = 2,122,395.60 × 468,396.80 - Step 4: Simplify right side
1,414,930.40x = 994,123,307,374.08 - Step 5: Solve for x
x = 994,123,307,374.08/1,414,930.40 - Step 6: Final answer
x = 702,595.20
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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.