Finding the Fourth Proportional to 998,292.20, 1,497,521.34 and 324,358.61
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Solution
The fourth proportional to 998,292.20, 1,497,521.34 and 324,358.61 is: 486,564.89
Step by Step Solution
- Step 1: Write the proportion equation
998,292.20 : 1,497,521.34 = 324,358.61 : x - Step 2: Convert to fraction form
998,292.20/1,497,521.34 = 324,358.61/x - Step 3: Cross multiply
998,292.20x = 1,497,521.34 × 324,358.61 - Step 4: Simplify right side
998,292.20x = 485,733,932,800.13 - Step 5: Solve for x
x = 485,733,932,800.13/998,292.20 - Step 6: Final answer
x = 486,564.89
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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.