Finding the Fourth Proportional to 657,327.75, 907,112.37 and 355,521.75
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Solution
The fourth proportional to 657,327.75, 907,112.37 and 355,521.75 is: 490,620.06
Step by Step Solution
- Step 1: Write the proportion equation
657,327.75 : 907,112.37 = 355,521.75 : x - Step 2: Convert to fraction form
657,327.75/907,112.37 = 355,521.75/x - Step 3: Cross multiply
657,327.75x = 907,112.37 × 355,521.75 - Step 4: Simplify right side
657,327.75x = 322,498,177,229.05 - Step 5: Solve for x
x = 322,498,177,229.05/657,327.75 - Step 6: Final answer
x = 490,620.06
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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.