Finding the Fourth Proportional to 998,528.13, 1,377,632.43 and 568,503.99
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Solution
The fourth proportional to 998,528.13, 1,377,632.43 and 568,503.99 is: 784,343.99
Step by Step Solution
- Step 1: Write the proportion equation
998,528.13 : 1,377,632.43 = 568,503.99 : x - Step 2: Convert to fraction form
998,528.13/1,377,632.43 = 568,503.99/x - Step 3: Cross multiply
998,528.13x = 1,377,632.43 × 568,503.99 - Step 4: Simplify right side
998,528.13x = 783,189,533,208.40 - Step 5: Solve for x
x = 783,189,533,208.40/998,528.13 - Step 6: Final answer
x = 784,343.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.