Finding the Fourth Proportional to 960,174.05, 1,440,648.36 and 427,330.62
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Solution
The fourth proportional to 960,174.05, 1,440,648.36 and 427,330.62 is: 641,168.30
Step by Step Solution
- Step 1: Write the proportion equation
960,174.05 : 1,440,648.36 = 427,330.62 : x - Step 2: Convert to fraction form
960,174.05/1,440,648.36 = 427,330.62/x - Step 3: Cross multiply
960,174.05x = 1,440,648.36 × 427,330.62 - Step 4: Simplify right side
960,174.05x = 615,633,156,880.78 - Step 5: Solve for x
x = 615,633,156,880.78/960,174.05 - Step 6: Final answer
x = 641,168.30
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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.