Finding the Fourth Proportional to 960,366.20, 1,440,622.20 and 286,394.90
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Solution
The fourth proportional to 960,366.20, 1,440,622.20 and 286,394.90 is: 429,614.09
Step by Step Solution
- Step 1: Write the proportion equation
960,366.20 : 1,440,622.20 = 286,394.90 : x - Step 2: Convert to fraction form
960,366.20/1,440,622.20 = 286,394.90/x - Step 3: Cross multiply
960,366.20x = 1,440,622.20 × 286,394.90 - Step 4: Simplify right side
960,366.20x = 412,586,850,906.78 - Step 5: Solve for x
x = 412,586,850,906.78/960,366.20 - Step 6: Final answer
x = 429,614.09
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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.