Finding the Fourth Proportional to 829,497.40, 1,244,246.10 and 297,035.80
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Solution
The fourth proportional to 829,497.40, 1,244,246.10 and 297,035.80 is: 445,553.70
Step by Step Solution
- Step 1: Write the proportion equation
829,497.40 : 1,244,246.10 = 297,035.80 : x - Step 2: Convert to fraction form
829,497.40/1,244,246.10 = 297,035.80/x - Step 3: Cross multiply
829,497.40x = 1,244,246.10 × 297,035.80 - Step 4: Simplify right side
829,497.40x = 369,585,635,710.38 - Step 5: Solve for x
x = 369,585,635,710.38/829,497.40 - Step 6: Final answer
x = 445,553.70
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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.