Finding the Fourth Proportional to 954,931.50, 1,432,092.94 and 315,115.99
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Solution
The fourth proportional to 954,931.50, 1,432,092.94 and 315,115.99 is: 472,573.56
Step by Step Solution
- Step 1: Write the proportion equation
954,931.50 : 1,432,092.94 = 315,115.99 : x - Step 2: Convert to fraction form
954,931.50/1,432,092.94 = 315,115.99/x - Step 3: Cross multiply
954,931.50x = 1,432,092.94 × 315,115.99 - Step 4: Simplify right side
954,931.50x = 451,275,380,192.09 - Step 5: Solve for x
x = 451,275,380,192.09/954,931.50 - Step 6: Final answer
x = 472,573.56
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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.