Finding the Fourth Proportional to 1,497,744.80, 2,246,617.20 and 432,821.60
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Solution
The fourth proportional to 1,497,744.80, 2,246,617.20 and 432,821.60 is: 649,232.40
Step by Step Solution
- Step 1: Write the proportion equation
1,497,744.80 : 2,246,617.20 = 432,821.60 : x - Step 2: Convert to fraction form
1,497,744.80/2,246,617.20 = 432,821.60/x - Step 3: Cross multiply
1,497,744.80x = 2,246,617.20 × 432,821.60 - Step 4: Simplify right side
1,497,744.80x = 972,384,451,091.52 - Step 5: Solve for x
x = 972,384,451,091.52/1,497,744.80 - Step 6: Final answer
x = 649,232.40
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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.