Finding the Fourth Proportional to 605,115.20, 906,117.60 and 446,484.80
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Solution
The fourth proportional to 605,115.20, 906,117.60 and 446,484.80 is: 668,579.69
Step by Step Solution
- Step 1: Write the proportion equation
605,115.20 : 906,117.60 = 446,484.80 : x - Step 2: Convert to fraction form
605,115.20/906,117.60 = 446,484.80/x - Step 3: Cross multiply
605,115.20x = 906,117.60 × 446,484.80 - Step 4: Simplify right side
605,115.20x = 404,567,735,412.48 - Step 5: Solve for x
x = 404,567,735,412.48/605,115.20 - Step 6: Final answer
x = 668,579.69
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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.