Finding the Fourth Proportional to 522,959.30, 784,435.44 and 346,257.08
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Solution
The fourth proportional to 522,959.30, 784,435.44 and 346,257.08 is: 519,383.30
Step by Step Solution
- Step 1: Write the proportion equation
522,959.30 : 784,435.44 = 346,257.08 : x - Step 2: Convert to fraction form
522,959.30/784,435.44 = 346,257.08/x - Step 3: Cross multiply
522,959.30x = 784,435.44 × 346,257.08 - Step 4: Simplify right side
522,959.30x = 271,616,324,902.92 - Step 5: Solve for x
x = 271,616,324,902.92/522,959.30 - Step 6: Final answer
x = 519,383.30
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1.5x scale
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.