Finding the Fourth Proportional to 748,972.05, 1,123,466.28 and 216,497.70
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Solution
The fourth proportional to 748,972.05, 1,123,466.28 and 216,497.70 is: 324,748.92
Step by Step Solution
- Step 1: Write the proportion equation
748,972.05 : 1,123,466.28 = 216,497.70 : x - Step 2: Convert to fraction form
748,972.05/1,123,466.28 = 216,497.70/x - Step 3: Cross multiply
748,972.05x = 1,123,466.28 × 216,497.70 - Step 4: Simplify right side
748,972.05x = 243,227,865,647.56 - Step 5: Solve for x
x = 243,227,865,647.56/748,972.05 - Step 6: Final answer
x = 324,748.92
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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.