Finding the Fourth Proportional to 605,117.20, 906,120.60 and 446,486.80
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Solution
The fourth proportional to 605,117.20, 906,120.60 and 446,486.80 is: 668,582.69
Step by Step Solution
- Step 1: Write the proportion equation
605,117.20 : 906,120.60 = 446,486.80 : x - Step 2: Convert to fraction form
605,117.20/906,120.60 = 446,486.80/x - Step 3: Cross multiply
605,117.20x = 906,120.60 × 446,486.80 - Step 4: Simplify right side
605,117.20x = 404,570,887,108.08 - Step 5: Solve for x
x = 404,570,887,108.08/605,117.20 - Step 6: Final answer
x = 668,582.69
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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.