Finding the Fourth Proportional to 677,563.91, 935,014.70 and 375,785.99
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Solution
The fourth proportional to 677,563.91, 935,014.70 and 375,785.99 is: 518,571.63
Step by Step Solution
- Step 1: Write the proportion equation
677,563.91 : 935,014.70 = 375,785.99 : x - Step 2: Convert to fraction form
677,563.91/935,014.70 = 375,785.99/x - Step 3: Cross multiply
677,563.91x = 935,014.70 × 375,785.99 - Step 4: Simplify right side
677,563.91x = 351,365,422,825.12 - Step 5: Solve for x
x = 351,365,422,825.12/677,563.91 - Step 6: Final answer
x = 518,571.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.