Finding the Fourth Proportional to 798,438.28, 1,198,283.12 and 556,981.64
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Solution
The fourth proportional to 798,438.28, 1,198,283.12 and 556,981.64 is: 835,908.94
Step by Step Solution
- Step 1: Write the proportion equation
798,438.28 : 1,198,283.12 = 556,981.64 : x - Step 2: Convert to fraction form
798,438.28/1,198,283.12 = 556,981.64/x - Step 3: Cross multiply
798,438.28x = 1,198,283.12 × 556,981.64 - Step 4: Simplify right side
798,438.28x = 667,421,697,361.92 - Step 5: Solve for x
x = 667,421,697,361.92/798,438.28 - Step 6: Final answer
x = 835,908.94
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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.