Finding the Fourth Proportional to 998,076.81, 1,497,121.70 and 399,088.29
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Solution
The fourth proportional to 998,076.81, 1,497,121.70 and 399,088.29 is: 598,635.03
Step by Step Solution
- Step 1: Write the proportion equation
998,076.81 : 1,497,121.70 = 399,088.29 : x - Step 2: Convert to fraction form
998,076.81/1,497,121.70 = 399,088.29/x - Step 3: Cross multiply
998,076.81x = 1,497,121.70 × 399,088.29 - Step 4: Simplify right side
998,076.81x = 597,483,739,174.89 - Step 5: Solve for x
x = 597,483,739,174.89/998,076.81 - Step 6: Final answer
x = 598,635.03
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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.