Finding the Fourth Proportional to 1,007,278.14, 1,511,539.29 and 408,244.26
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Solution
The fourth proportional to 1,007,278.14, 1,511,539.29 and 408,244.26 is: 612,618.52
Step by Step Solution
- Step 1: Write the proportion equation
1,007,278.14 : 1,511,539.29 = 408,244.26 : x - Step 2: Convert to fraction form
1,007,278.14/1,511,539.29 = 408,244.26/x - Step 3: Cross multiply
1,007,278.14x = 1,511,539.29 × 408,244.26 - Step 4: Simplify right side
1,007,278.14x = 617,077,238,906.98 - Step 5: Solve for x
x = 617,077,238,906.98/1,007,278.14 - Step 6: Final answer
x = 612,618.52
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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.