Finding the Fourth Proportional to 930,901.99, 1,396,353.07 and 299,815.80
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Solution
The fourth proportional to 930,901.99, 1,396,353.07 and 299,815.80 is: 449,723.73
Step by Step Solution
- Step 1: Write the proportion equation
930,901.99 : 1,396,353.07 = 299,815.80 : x - Step 2: Convert to fraction form
930,901.99/1,396,353.07 = 299,815.80/x - Step 3: Cross multiply
930,901.99x = 1,396,353.07 × 299,815.80 - Step 4: Simplify right side
930,901.99x = 418,648,718,841.45 - Step 5: Solve for x
x = 418,648,718,841.45/930,901.99 - Step 6: Final answer
x = 449,723.73
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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.