Finding the Fourth Proportional to 998,623.45, 1,497,902.37 and 399,423.70
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Solution
The fourth proportional to 998,623.45, 1,497,902.37 and 399,423.70 is: 599,122.43
Step by Step Solution
- Step 1: Write the proportion equation
998,623.45 : 1,497,902.37 = 399,423.70 : x - Step 2: Convert to fraction form
998,623.45/1,497,902.37 = 399,423.70/x - Step 3: Cross multiply
998,623.45x = 1,497,902.37 × 399,423.70 - Step 4: Simplify right side
998,623.45x = 598,297,706,864.17 - Step 5: Solve for x
x = 598,297,706,864.17/998,623.45 - Step 6: Final answer
x = 599,122.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.