Finding the Fourth Proportional to 1,008,107.90, 1,512,198.76 and 334,248.09
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Solution
The fourth proportional to 1,008,107.90, 1,512,198.76 and 334,248.09 is: 501,384.38
Step by Step Solution
- Step 1: Write the proportion equation
1,008,107.90 : 1,512,198.76 = 334,248.09 : x - Step 2: Convert to fraction form
1,008,107.90/1,512,198.76 = 334,248.09/x - Step 3: Cross multiply
1,008,107.90x = 1,512,198.76 × 334,248.09 - Step 4: Simplify right side
1,008,107.90x = 505,449,553,639.88 - Step 5: Solve for x
x = 505,449,553,639.88/1,008,107.90 - Step 6: Final answer
x = 501,384.38
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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.