Finding the Fourth Proportional to 988,850.80, 1,483,276.20 and 357,785.20
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Solution
The fourth proportional to 988,850.80, 1,483,276.20 and 357,785.20 is: 536,677.80
Step by Step Solution
- Step 1: Write the proportion equation
988,850.80 : 1,483,276.20 = 357,785.20 : x - Step 2: Convert to fraction form
988,850.80/1,483,276.20 = 357,785.20/x - Step 3: Cross multiply
988,850.80x = 1,483,276.20 × 357,785.20 - Step 4: Simplify right side
988,850.80x = 530,694,271,872.24 - Step 5: Solve for x
x = 530,694,271,872.24/988,850.80 - Step 6: Final answer
x = 536,677.80
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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.